diff --git a/src/compiletest/compiletest.rs b/src/compiletest/compiletest.rs
index c5ec19813065c..be3ed62e42265 100644
--- a/src/compiletest/compiletest.rs
+++ b/src/compiletest/compiletest.rs
@@ -17,6 +17,7 @@ extern crate test;
 extern crate getopts;
 
 use std::os;
+use std::vec_ng::Vec;
 use std::io;
 use std::io::fs;
 use getopts::{optopt, optflag, reqopt};
@@ -39,15 +40,15 @@ pub mod errors;
 
 pub fn main() {
     let args = os::args();
-    let config = parse_config(args);
+    let config = parse_config(args.move_iter().collect());
     log_config(&config);
     run_tests(&config);
 }
 
-pub fn parse_config(args: ~[~str]) -> config {
+pub fn parse_config(args: Vec<~str> ) -> config {
 
-    let groups : ~[getopts::OptGroup] =
-        ~[reqopt("", "compile-lib-path", "path to host shared libraries", "PATH"),
+    let groups : Vec<getopts::OptGroup> =
+        vec!(reqopt("", "compile-lib-path", "path to host shared libraries", "PATH"),
           reqopt("", "run-lib-path", "path to target shared libraries", "PATH"),
           reqopt("", "rustc-path", "path to rustc to use for compiling", "PATH"),
           optopt("", "clang-path", "path to  executable for codegen tests", "PATH"),
@@ -75,28 +76,27 @@ pub fn parse_config(args: ~[~str]) -> config {
           optopt("", "adb-path", "path to the android debugger", "PATH"),
           optopt("", "adb-test-dir", "path to tests for the android debugger", "PATH"),
           optopt("", "test-shard", "run shard A, of B shards, worth of the testsuite", "A.B"),
-          optflag("h", "help", "show this message"),
-         ];
+          optflag("h", "help", "show this message"));
 
     assert!(!args.is_empty());
-    let argv0 = args[0].clone();
+    let argv0 = (*args.get(0)).clone();
     let args_ = args.tail();
-    if args[1] == ~"-h" || args[1] == ~"--help" {
+    if *args.get(1) == ~"-h" || *args.get(1) == ~"--help" {
         let message = format!("Usage: {} [OPTIONS] [TESTNAME...]", argv0);
-        println!("{}", getopts::usage(message, groups));
+        println!("{}", getopts::usage(message, groups.as_slice()));
         println!("");
         fail!()
     }
 
     let matches =
-        &match getopts::getopts(args_, groups) {
+        &match getopts::getopts(args_, groups.as_slice()) {
           Ok(m) => m,
           Err(f) => fail!("{}", f.to_err_msg())
         };
 
     if matches.opt_present("h") || matches.opt_present("help") {
         let message = format!("Usage: {} [OPTIONS]  [TESTNAME...]", argv0);
-        println!("{}", getopts::usage(message, groups));
+        println!("{}", getopts::usage(message, groups.as_slice()));
         println!("");
         fail!()
     }
@@ -119,7 +119,7 @@ pub fn parse_config(args: ~[~str]) -> config {
         run_ignored: matches.opt_present("ignored"),
         filter:
             if !matches.free.is_empty() {
-                 Some(matches.free[0].clone())
+                 Some((*matches.free.get(0)).clone())
             } else {
                 None
             },
@@ -235,7 +235,7 @@ pub fn run_tests(config: &config) {
     // parallel (especially when we have lots and lots of child processes).
     // For context, see #8904
     io::test::raise_fd_limit();
-    let res = test::run_tests_console(&opts, tests);
+    let res = test::run_tests_console(&opts, tests.move_iter().collect());
     match res {
         Ok(true) => {}
         Ok(false) => fail!("Some tests failed"),
@@ -259,10 +259,10 @@ pub fn test_opts(config: &config) -> test::TestOpts {
     }
 }
 
-pub fn make_tests(config: &config) -> ~[test::TestDescAndFn] {
+pub fn make_tests(config: &config) -> Vec<test::TestDescAndFn> {
     debug!("making tests from {}",
            config.src_base.display());
-    let mut tests = ~[];
+    let mut tests = Vec::new();
     let dirs = fs::readdir(&config.src_base).unwrap();
     for file in dirs.iter() {
         let file = file.clone();
@@ -284,10 +284,10 @@ pub fn is_test(config: &config, testfile: &Path) -> bool {
     // Pretty-printer does not work with .rc files yet
     let valid_extensions =
         match config.mode {
-          mode_pretty => ~[~".rs"],
-          _ => ~[~".rc", ~".rs"]
+          mode_pretty => vec!(~".rs"),
+          _ => vec!(~".rc", ~".rs")
         };
-    let invalid_prefixes = ~[~".", ~"#", ~"~"];
+    let invalid_prefixes = vec!(~".", ~"#", ~"~");
     let name = testfile.filename_str().unwrap();
 
     let mut valid = false;
diff --git a/src/compiletest/errors.rs b/src/compiletest/errors.rs
index 3a6b1666c1e79..c578b3ce6d47f 100644
--- a/src/compiletest/errors.rs
+++ b/src/compiletest/errors.rs
@@ -9,13 +9,14 @@
 // except according to those terms.
 
 use std::io::{BufferedReader, File};
+use std::vec_ng::Vec;
 
 pub struct ExpectedError { line: uint, kind: ~str, msg: ~str }
 
 // Load any test directives embedded in the file
-pub fn load_errors(testfile: &Path) -> ~[ExpectedError] {
+pub fn load_errors(testfile: &Path) -> Vec<ExpectedError> {
 
-    let mut error_patterns = ~[];
+    let mut error_patterns = Vec::new();
     let mut rdr = BufferedReader::new(File::open(testfile).unwrap());
     let mut line_num = 1u;
     for ln in rdr.lines() {
@@ -25,12 +26,12 @@ pub fn load_errors(testfile: &Path) -> ~[ExpectedError] {
     return error_patterns;
 }
 
-fn parse_expected(line_num: uint, line: ~str) -> ~[ExpectedError] {
+fn parse_expected(line_num: uint, line: ~str) -> Vec<ExpectedError> {
     let line = line.trim();
     let error_tag = ~"//~";
     let mut idx;
     match line.find_str(error_tag) {
-      None => return ~[],
+      None => return Vec::new(),
       Some(nn) => { idx = (nn as uint) + error_tag.len(); }
     }
 
@@ -57,6 +58,6 @@ fn parse_expected(line_num: uint, line: ~str) -> ~[ExpectedError] {
 
     debug!("line={} kind={} msg={}", line_num - adjust_line, kind, msg);
 
-    return ~[ExpectedError{line: line_num - adjust_line, kind: kind,
-                           msg: msg}];
+    return vec!(ExpectedError{line: line_num - adjust_line, kind: kind,
+                           msg: msg});
 }
diff --git a/src/compiletest/header.rs b/src/compiletest/header.rs
index 7f8be5ff090e6..4793d0f8ba4da 100644
--- a/src/compiletest/header.rs
+++ b/src/compiletest/header.rs
@@ -12,22 +12,24 @@ use common::config;
 use common;
 use util;
 
+use std::vec_ng::Vec;
+
 pub struct TestProps {
     // Lines that should be expected, in order, on standard out
-    error_patterns: ~[~str],
+    error_patterns: Vec<~str> ,
     // Extra flags to pass to the compiler
     compile_flags: Option<~str>,
     // If present, the name of a file that this test should match when
     // pretty-printed
     pp_exact: Option<Path>,
     // Modules from aux directory that should be compiled
-    aux_builds: ~[~str],
+    aux_builds: Vec<~str> ,
     // Environment settings to use during execution
-    exec_env: ~[(~str,~str)],
+    exec_env: Vec<(~str,~str)> ,
     // Commands to be given to the debugger, when testing debug info
-    debugger_cmds: ~[~str],
+    debugger_cmds: Vec<~str> ,
     // Lines to check if they appear in the expected debugger output
-    check_lines: ~[~str],
+    check_lines: Vec<~str> ,
     // Flag to force a crate to be built with the host architecture
     force_host: bool,
     // Check stdout for error-pattern output as well as stderr
@@ -38,13 +40,13 @@ pub struct TestProps {
 
 // Load any test directives embedded in the file
 pub fn load_props(testfile: &Path) -> TestProps {
-    let mut error_patterns = ~[];
-    let mut aux_builds = ~[];
-    let mut exec_env = ~[];
+    let mut error_patterns = Vec::new();
+    let mut aux_builds = Vec::new();
+    let mut exec_env = Vec::new();
     let mut compile_flags = None;
     let mut pp_exact = None;
-    let mut debugger_cmds = ~[];
-    let mut check_lines = ~[];
+    let mut debugger_cmds = Vec::new();
+    let mut check_lines = Vec::new();
     let mut force_host = false;
     let mut check_stdout = false;
     let mut no_prefer_dynamic = false;
@@ -182,7 +184,7 @@ fn parse_no_prefer_dynamic(line: &str) -> bool {
 fn parse_exec_env(line: &str) -> Option<(~str, ~str)> {
     parse_name_value_directive(line, ~"exec-env").map(|nv| {
         // nv is either FOO or FOO=BAR
-        let mut strs: ~[~str] = nv.splitn('=', 1).map(|s| s.to_owned()).collect();
+        let mut strs: Vec<~str> = nv.splitn('=', 1).map(|s| s.to_owned()).collect();
 
         match strs.len() {
           1u => (strs.pop().unwrap(), ~""),
diff --git a/src/compiletest/procsrv.rs b/src/compiletest/procsrv.rs
index 5db01399992e8..91d221034cd98 100644
--- a/src/compiletest/procsrv.rs
+++ b/src/compiletest/procsrv.rs
@@ -11,9 +11,11 @@
 use std::os;
 use std::str;
 use std::io::process::{ProcessExit, Process, ProcessConfig, ProcessOutput};
+use std::vec_ng::Vec;
+use std::vec_ng;
 
 #[cfg(target_os = "win32")]
-fn target_env(lib_path: &str, prog: &str) -> ~[(~str,~str)] {
+fn target_env(lib_path: &str, prog: &str) -> Vec<(~str,~str)> {
 
     let mut env = os::env();
 
@@ -35,11 +37,11 @@ fn target_env(lib_path: &str, prog: &str) -> ~[(~str,~str)] {
 #[cfg(target_os = "linux")]
 #[cfg(target_os = "macos")]
 #[cfg(target_os = "freebsd")]
-fn target_env(lib_path: &str, prog: &str) -> ~[(~str,~str)] {
+fn target_env(lib_path: &str, prog: &str) -> Vec<(~str,~str)> {
     // Make sure we include the aux directory in the path
     let aux_path = prog + ".libaux";
 
-    let mut env = os::env();
+    let mut env: Vec<(~str,~str)> = os::env().move_iter().collect();
     let var = if cfg!(target_os = "macos") {
         "DYLD_LIBRARY_PATH"
     } else {
@@ -62,10 +64,11 @@ pub struct Result {status: ProcessExit, out: ~str, err: ~str}
 pub fn run(lib_path: &str,
            prog: &str,
            args: &[~str],
-           env: ~[(~str, ~str)],
+           env: Vec<(~str, ~str)> ,
            input: Option<~str>) -> Option<Result> {
 
-    let env = env + target_env(lib_path, prog);
+    let env = vec_ng::append(env.clone(),
+                             target_env(lib_path, prog).as_slice());
     let mut opt_process = Process::configure(ProcessConfig {
         program: prog,
         args: args,
@@ -93,10 +96,11 @@ pub fn run(lib_path: &str,
 pub fn run_background(lib_path: &str,
            prog: &str,
            args: &[~str],
-           env: ~[(~str, ~str)],
+           env: Vec<(~str, ~str)> ,
            input: Option<~str>) -> Option<Process> {
 
-    let env = env + target_env(lib_path, prog);
+    let env = vec_ng::append(env.clone(),
+                             target_env(lib_path, prog).as_slice());
     let opt_process = Process::configure(ProcessConfig {
         program: prog,
         args: args,
diff --git a/src/compiletest/runtest.rs b/src/compiletest/runtest.rs
index 47e1118459d67..efd97893998df 100644
--- a/src/compiletest/runtest.rs
+++ b/src/compiletest/runtest.rs
@@ -33,6 +33,8 @@ use std::os;
 use std::str;
 use std::task;
 use std::vec;
+use std::vec_ng::Vec;
+use std::vec_ng;
 
 use test::MetricMap;
 
@@ -155,12 +157,14 @@ fn run_pretty_test(config: &config, props: &TestProps, testfile: &Path) {
 
     let src = File::open(testfile).read_to_end().unwrap();
     let src = str::from_utf8_owned(src).unwrap();
-    let mut srcs = ~[src];
+    let mut srcs = vec!(src);
 
     let mut round = 0;
     while round < rounds {
         logv(config, format!("pretty-printing round {}", round));
-        let proc_res = print_source(config, testfile, srcs[round].clone());
+        let proc_res = print_source(config,
+                                    testfile,
+                                    (*srcs.get(round)).clone());
 
         if !proc_res.status.success() {
             fatal_ProcRes(format!("pretty-printing failed in round {}", round),
@@ -178,9 +182,9 @@ fn run_pretty_test(config: &config, props: &TestProps, testfile: &Path) {
             let s = File::open(&filepath).read_to_end().unwrap();
             str::from_utf8_owned(s).unwrap()
           }
-          None => { srcs[srcs.len() - 2u].clone() }
+          None => { (*srcs.get(srcs.len() - 2u)).clone() }
         };
-    let mut actual = srcs[srcs.len() - 1u].clone();
+    let mut actual = (*srcs.get(srcs.len() - 1u)).clone();
 
     if props.pp_exact.is_some() {
         // Now we have to care about line endings
@@ -202,12 +206,12 @@ fn run_pretty_test(config: &config, props: &TestProps, testfile: &Path) {
 
     fn print_source(config: &config, testfile: &Path, src: ~str) -> ProcRes {
         compose_and_run(config, testfile, make_pp_args(config, testfile),
-                        ~[], config.compile_lib_path, Some(src))
+                        Vec::new(), config.compile_lib_path, Some(src))
     }
 
     fn make_pp_args(config: &config, _testfile: &Path) -> ProcArgs {
-        let args = ~[~"-", ~"--pretty", ~"normal",
-                     ~"--target=" + config.target];
+        let args = vec!(~"-", ~"--pretty", ~"normal",
+                     ~"--target=" + config.target);
         // FIXME (#9639): This needs to handle non-utf8 paths
         return ProcArgs {prog: config.rustc_path.as_str().unwrap().to_owned(), args: args};
     }
@@ -244,12 +248,12 @@ actual:\n\
             config.target.as_slice()
         };
         // FIXME (#9639): This needs to handle non-utf8 paths
-        let mut args = ~[~"-",
+        let mut args = vec!(~"-",
                          ~"--no-trans", ~"--crate-type=lib",
                          ~"--target=" + target,
                          ~"-L", config.build_base.as_str().unwrap().to_owned(),
                          ~"-L",
-                         aux_dir.as_str().unwrap().to_owned()];
+                         aux_dir.as_str().unwrap().to_owned());
         args.push_all_move(split_maybe_args(&config.target_rustcflags));
         args.push_all_move(split_maybe_args(&props.compile_flags));
         // FIXME (#9639): This needs to handle non-utf8 paths
@@ -295,12 +299,12 @@ fn run_debuginfo_test(config: &config, props: &TestProps, testfile: &Path) {
             procsrv::run("", config.adb_path,
                          [~"push", exe_file.as_str().unwrap().to_owned(),
                           config.adb_test_dir.clone()],
-                         ~[(~"",~"")], Some(~""))
+                         vec!((~"",~"")), Some(~""))
                 .expect(format!("failed to exec `{}`", config.adb_path));
 
             procsrv::run("", config.adb_path,
                          [~"forward", ~"tcp:5039", ~"tcp:5039"],
-                         ~[(~"",~"")], Some(~""))
+                         vec!((~"",~"")), Some(~""))
                 .expect(format!("failed to exec `{}`", config.adb_path));
 
             let adb_arg = format!("export LD_LIBRARY_PATH={}; gdbserver :5039 {}/{}",
@@ -309,7 +313,7 @@ fn run_debuginfo_test(config: &config, props: &TestProps, testfile: &Path) {
 
             let mut process = procsrv::run_background("", config.adb_path,
                                                       [~"shell",adb_arg.clone()],
-                                                      ~[(~"",~"")], Some(~""))
+                                                      vec!((~"",~"")), Some(~""))
                 .expect(format!("failed to exec `{}`", config.adb_path));
             loop {
                 //waiting 1 second for gdbserver start
@@ -341,17 +345,21 @@ fn run_debuginfo_test(config: &config, props: &TestProps, testfile: &Path) {
 
             let debugger_script = make_out_name(config, testfile, "debugger.script");
             // FIXME (#9639): This needs to handle non-utf8 paths
-            let debugger_opts = ~[~"-quiet", ~"-batch", ~"-nx",
-                                  "-command=" + debugger_script.as_str().unwrap().to_owned()];
+            let debugger_opts = vec!(~"-quiet", ~"-batch", ~"-nx",
+                                  "-command=" + debugger_script.as_str().unwrap().to_owned());
 
             let gdb_path = tool_path.append("/bin/arm-linux-androideabi-gdb");
             let procsrv::Result{ out, err, status }=
                 procsrv::run("",
                              gdb_path,
-                             debugger_opts, ~[(~"",~"")], None)
+                             debugger_opts.as_slice(),
+                             vec!((~"",~"")),
+                             None)
                 .expect(format!("failed to exec `{}`", gdb_path));
             let cmdline = {
-                let cmdline = make_cmdline("", "arm-linux-androideabi-gdb", debugger_opts);
+                let cmdline = make_cmdline("",
+                                           "arm-linux-androideabi-gdb",
+                                           debugger_opts.as_slice());
                 logv(config, format!("executing {}", cmdline));
                 cmdline
             };
@@ -380,11 +388,11 @@ fn run_debuginfo_test(config: &config, props: &TestProps, testfile: &Path) {
             let debugger_script = make_out_name(config, testfile, "debugger.script");
 
             // FIXME (#9639): This needs to handle non-utf8 paths
-            let debugger_opts = ~[~"-quiet", ~"-batch", ~"-nx",
+            let debugger_opts = vec!(~"-quiet", ~"-batch", ~"-nx",
                 "-command=" + debugger_script.as_str().unwrap().to_owned(),
-                exe_file.as_str().unwrap().to_owned()];
+                exe_file.as_str().unwrap().to_owned());
             proc_args = ProcArgs {prog: debugger(), args: debugger_opts};
-            proc_res = compose_and_run(config, testfile, proc_args, ~[], "", None);
+            proc_res = compose_and_run(config, testfile, proc_args, Vec::new(), "", None);
         }
     }
 
@@ -395,7 +403,10 @@ fn run_debuginfo_test(config: &config, props: &TestProps, testfile: &Path) {
     if num_check_lines > 0 {
         // Allow check lines to leave parts unspecified (e.g., uninitialized
         // bits in the wrong case of an enum) with the notation "[...]".
-        let check_fragments: ~[~[&str]] = check_lines.map(|s| s.split_str("[...]").collect());
+        let check_fragments: Vec<Vec<~str>> =
+            check_lines.iter().map(|s| {
+                s.split_str("[...]").map(|x| x.to_str()).collect()
+            }).collect();
         // check if each line in props.check_lines appears in the
         // output (in order)
         let mut i = 0u;
@@ -403,11 +414,11 @@ fn run_debuginfo_test(config: &config, props: &TestProps, testfile: &Path) {
             let mut rest = line.trim();
             let mut first = true;
             let mut failed = false;
-            for &frag in check_fragments[i].iter() {
+            for frag in check_fragments.get(i).iter() {
                 let found = if first {
-                    if rest.starts_with(frag) { Some(0) } else { None }
+                    if rest.starts_with(*frag) { Some(0) } else { None }
                 } else {
-                    rest.find_str(frag)
+                    rest.find_str(*frag)
                 };
                 match found {
                     None => {
@@ -430,7 +441,7 @@ fn run_debuginfo_test(config: &config, props: &TestProps, testfile: &Path) {
         }
         if i != num_check_lines {
             fatal_ProcRes(format!("line not found in debugger output: {}",
-                                  check_lines[i]), &proc_res);
+                                  *check_lines.get(i)), &proc_res);
         }
     }
 
@@ -461,7 +472,7 @@ fn check_error_patterns(props: &TestProps,
     }
 
     let mut next_err_idx = 0u;
-    let mut next_err_pat = &props.error_patterns[next_err_idx];
+    let mut next_err_pat = props.error_patterns.get(next_err_idx);
     let mut done = false;
     let output_to_check = if props.check_stdout {
         proc_res.stdout + proc_res.stderr
@@ -477,7 +488,7 @@ fn check_error_patterns(props: &TestProps,
                 done = true;
                 break;
             }
-            next_err_pat = &props.error_patterns[next_err_idx];
+            next_err_pat = props.error_patterns.get(next_err_idx);
         }
     }
     if done { return; }
@@ -495,7 +506,7 @@ fn check_error_patterns(props: &TestProps,
     }
 }
 
-fn check_expected_errors(expected_errors: ~[errors::ExpectedError],
+fn check_expected_errors(expected_errors: Vec<errors::ExpectedError> ,
                          testfile: &Path,
                          proc_res: &ProcRes) {
 
@@ -509,12 +520,12 @@ fn check_expected_errors(expected_errors: ~[errors::ExpectedError],
 
     let prefixes = expected_errors.iter().map(|ee| {
         format!("{}:{}:", testfile.display(), ee.line)
-    }).collect::<~[~str]>();
+    }).collect::<Vec<~str> >();
 
     #[cfg(target_os = "win32")]
     fn to_lower( s : &str ) -> ~str {
         let i = s.chars();
-        let c : ~[char] = i.map( |c| {
+        let c : Vec<char> = i.map( |c| {
             if c.is_ascii() {
                 c.to_ascii().to_lower().to_char()
             } else {
@@ -547,8 +558,8 @@ fn check_expected_errors(expected_errors: ~[errors::ExpectedError],
         for (i, ee) in expected_errors.iter().enumerate() {
             if !found_flags[i] {
                 debug!("prefix={} ee.kind={} ee.msg={} line={}",
-                       prefixes[i], ee.kind, ee.msg, line);
-                if prefix_matches(line, prefixes[i]) &&
+                       *prefixes.get(i), ee.kind, ee.msg, line);
+                if prefix_matches(line, *prefixes.get(i)) &&
                     line.contains(ee.kind) &&
                     line.contains(ee.msg) {
                     found_flags[i] = true;
@@ -572,7 +583,7 @@ fn check_expected_errors(expected_errors: ~[errors::ExpectedError],
 
     for (i, &flag) in found_flags.iter().enumerate() {
         if !flag {
-            let ee = &expected_errors[i];
+            let ee = expected_errors.get(i);
             fatal_ProcRes(format!("expected {} on line {} not found: {}",
                                ee.kind, ee.line, ee.msg), proc_res);
         }
@@ -654,7 +665,7 @@ fn scan_string(haystack: &str, needle: &str, idx: &mut uint) -> bool {
     return true;
 }
 
-struct ProcArgs {prog: ~str, args: ~[~str]}
+struct ProcArgs {prog: ~str, args: Vec<~str> }
 
 struct ProcRes {status: ProcessExit, stdout: ~str, stderr: ~str, cmdline: ~str}
 
@@ -671,8 +682,10 @@ fn compile_test_(config: &config, props: &TestProps,
                  testfile: &Path, extra_args: &[~str]) -> ProcRes {
     let aux_dir = aux_output_dir_name(config, testfile);
     // FIXME (#9639): This needs to handle non-utf8 paths
-    let link_args = ~[~"-L", aux_dir.as_str().unwrap().to_owned()];
-    let args = make_compile_args(config, props, link_args + extra_args,
+    let link_args = vec!(~"-L", aux_dir.as_str().unwrap().to_owned());
+    let args = make_compile_args(config,
+                                 props,
+                                 vec_ng::append(link_args, extra_args),
                                  |a, b| ThisFile(make_exe_name(a, b)), testfile);
     compose_and_run_compiler(config, props, testfile, args, None)
 }
@@ -710,23 +723,26 @@ fn compose_and_run_compiler(
 
     let aux_dir = aux_output_dir_name(config, testfile);
     // FIXME (#9639): This needs to handle non-utf8 paths
-    let extra_link_args = ~[~"-L", aux_dir.as_str().unwrap().to_owned()];
+    let extra_link_args = vec!(~"-L", aux_dir.as_str().unwrap().to_owned());
 
     for rel_ab in props.aux_builds.iter() {
         let abs_ab = config.aux_base.join(rel_ab.as_slice());
         let aux_props = load_props(&abs_ab);
         let crate_type = if aux_props.no_prefer_dynamic {
-            ~[]
+            Vec::new()
         } else {
-            ~[~"--crate-type=dylib"]
+            vec!(~"--crate-type=dylib")
         };
         let aux_args =
-            make_compile_args(config, &aux_props, crate_type + extra_link_args,
+            make_compile_args(config,
+                              &aux_props,
+                              vec_ng::append(crate_type,
+                                             extra_link_args.as_slice()),
                               |a,b| {
                                   let f = make_lib_name(a, b, testfile);
                                   ThisDirectory(f.dir_path())
                               }, &abs_ab);
-        let auxres = compose_and_run(config, &abs_ab, aux_args, ~[],
+        let auxres = compose_and_run(config, &abs_ab, aux_args, Vec::new(),
                                      config.compile_lib_path, None);
         if !auxres.status.success() {
             fatal_ProcRes(
@@ -745,7 +761,7 @@ fn compose_and_run_compiler(
         }
     }
 
-    compose_and_run(config, testfile, args, ~[],
+    compose_and_run(config, testfile, args, Vec::new(),
                     config.compile_lib_path, input)
 }
 
@@ -756,7 +772,7 @@ fn ensure_dir(path: &Path) {
 
 fn compose_and_run(config: &config, testfile: &Path,
                    ProcArgs{ args, prog }: ProcArgs,
-                   procenv: ~[(~str, ~str)],
+                   procenv: Vec<(~str, ~str)> ,
                    lib_path: &str,
                    input: Option<~str>) -> ProcRes {
     return program_output(config, testfile, lib_path,
@@ -770,7 +786,7 @@ enum TargetLocation {
 
 fn make_compile_args(config: &config,
                      props: &TestProps,
-                     extras: ~[~str],
+                     extras: Vec<~str> ,
                      xform: |&config, &Path| -> TargetLocation,
                      testfile: &Path)
                      -> ProcArgs {
@@ -781,10 +797,10 @@ fn make_compile_args(config: &config,
         config.target.as_slice()
     };
     // FIXME (#9639): This needs to handle non-utf8 paths
-    let mut args = ~[testfile.as_str().unwrap().to_owned(),
+    let mut args = vec!(testfile.as_str().unwrap().to_owned(),
                      ~"-L", config.build_base.as_str().unwrap().to_owned(),
-                     ~"--target=" + target]
-        + extras;
+                     ~"--target=" + target);
+    args.push_all(extras.as_slice());
     if !props.no_prefer_dynamic {
         args.push(~"-C");
         args.push(~"prefer-dynamic");
@@ -833,28 +849,28 @@ fn make_run_args(config: &config, _props: &TestProps, testfile: &Path) ->
     return ProcArgs {prog: prog, args: args};
 }
 
-fn split_maybe_args(argstr: &Option<~str>) -> ~[~str] {
+fn split_maybe_args(argstr: &Option<~str>) -> Vec<~str> {
     match *argstr {
         Some(ref s) => {
             s.split(' ')
                 .filter_map(|s| if s.is_whitespace() {None} else {Some(s.to_owned())})
                 .collect()
         }
-        None => ~[]
+        None => Vec::new()
     }
 }
 
 fn program_output(config: &config, testfile: &Path, lib_path: &str, prog: ~str,
-                  args: ~[~str], env: ~[(~str, ~str)],
+                  args: Vec<~str> , env: Vec<(~str, ~str)> ,
                   input: Option<~str>) -> ProcRes {
     let cmdline =
         {
-            let cmdline = make_cmdline(lib_path, prog, args);
+            let cmdline = make_cmdline(lib_path, prog, args.as_slice());
             logv(config, format!("executing {}", cmdline));
             cmdline
         };
     let procsrv::Result{ out, err, status } =
-            procsrv::run(lib_path, prog, args, env, input)
+            procsrv::run(lib_path, prog, args.as_slice(), env, input)
             .expect(format!("failed to exec `{}`", prog));
     dump_output(config, testfile, out, err);
     return ProcRes {status: status,
@@ -951,19 +967,19 @@ stderr:\n\
 }
 
 fn _arm_exec_compiled_test(config: &config, props: &TestProps,
-                      testfile: &Path, env: ~[(~str, ~str)]) -> ProcRes {
+                      testfile: &Path, env: Vec<(~str, ~str)> ) -> ProcRes {
 
     let args = make_run_args(config, props, testfile);
-    let cmdline = make_cmdline("", args.prog, args.args);
+    let cmdline = make_cmdline("", args.prog, args.args.as_slice());
 
     // get bare program string
-    let mut tvec: ~[~str] = args.prog.split('/').map(|ts| ts.to_owned()).collect();
+    let mut tvec: Vec<~str> = args.prog.split('/').map(|ts| ts.to_owned()).collect();
     let prog_short = tvec.pop().unwrap();
 
     // copy to target
     let copy_result = procsrv::run("", config.adb_path,
         [~"push", args.prog.clone(), config.adb_test_dir.clone()],
-        ~[(~"",~"")], Some(~""))
+        vec!((~"",~"")), Some(~""))
         .expect(format!("failed to exec `{}`", config.adb_path));
 
     if config.verbose {
@@ -974,7 +990,7 @@ fn _arm_exec_compiled_test(config: &config, props: &TestProps,
 
     logv(config, format!("executing ({}) {}", config.target, cmdline));
 
-    let mut runargs = ~[];
+    let mut runargs = Vec::new();
 
     // run test via adb_run_wrapper
     runargs.push(~"shell");
@@ -988,17 +1004,20 @@ fn _arm_exec_compiled_test(config: &config, props: &TestProps,
     for tv in args.args.iter() {
         runargs.push(tv.to_owned());
     }
-    procsrv::run("", config.adb_path, runargs, ~[(~"",~"")], Some(~""))
+    procsrv::run("",
+                 config.adb_path,
+                 runargs.as_slice(),
+                 vec!((~"",~"")), Some(~""))
         .expect(format!("failed to exec `{}`", config.adb_path));
 
     // get exitcode of result
-    runargs = ~[];
+    runargs = Vec::new();
     runargs.push(~"shell");
     runargs.push(~"cat");
     runargs.push(format!("{}/{}.exitcode", config.adb_test_dir, prog_short));
 
     let procsrv::Result{ out: exitcode_out, err: _, status: _ } =
-        procsrv::run("", config.adb_path, runargs, ~[(~"",~"")],
+        procsrv::run("", config.adb_path, runargs.as_slice(), vec!((~"",~"")),
                      Some(~""))
         .expect(format!("failed to exec `{}`", config.adb_path));
 
@@ -1012,23 +1031,29 @@ fn _arm_exec_compiled_test(config: &config, props: &TestProps,
     }
 
     // get stdout of result
-    runargs = ~[];
+    runargs = Vec::new();
     runargs.push(~"shell");
     runargs.push(~"cat");
     runargs.push(format!("{}/{}.stdout", config.adb_test_dir, prog_short));
 
     let procsrv::Result{ out: stdout_out, err: _, status: _ } =
-        procsrv::run("", config.adb_path, runargs, ~[(~"",~"")], Some(~""))
+        procsrv::run("",
+                     config.adb_path,
+                     runargs.as_slice(),
+                     vec!((~"",~"")), Some(~""))
         .expect(format!("failed to exec `{}`", config.adb_path));
 
     // get stderr of result
-    runargs = ~[];
+    runargs = Vec::new();
     runargs.push(~"shell");
     runargs.push(~"cat");
     runargs.push(format!("{}/{}.stderr", config.adb_test_dir, prog_short));
 
     let procsrv::Result{ out: stderr_out, err: _, status: _ } =
-        procsrv::run("", config.adb_path, runargs, ~[(~"",~"")], Some(~""))
+        procsrv::run("",
+                     config.adb_path,
+                     runargs.as_slice(),
+                     vec!((~"",~"")), Some(~""))
         .expect(format!("failed to exec `{}`", config.adb_path));
 
     dump_output(config, testfile, stdout_out, stderr_out);
@@ -1050,7 +1075,7 @@ fn _arm_push_aux_shared_library(config: &config, testfile: &Path) {
             // FIXME (#9639): This needs to handle non-utf8 paths
             let copy_result = procsrv::run("", config.adb_path,
                 [~"push", file.as_str().unwrap().to_owned(), config.adb_test_dir.clone()],
-                ~[(~"",~"")], Some(~""))
+                vec!((~"",~"")), Some(~""))
                 .expect(format!("failed to exec `{}`", config.adb_path));
 
             if config.verbose {
@@ -1081,10 +1106,12 @@ fn compile_test_and_save_bitcode(config: &config, props: &TestProps,
                                  testfile: &Path) -> ProcRes {
     let aux_dir = aux_output_dir_name(config, testfile);
     // FIXME (#9639): This needs to handle non-utf8 paths
-    let link_args = ~[~"-L", aux_dir.as_str().unwrap().to_owned()];
-    let llvm_args = ~[~"--emit=obj", ~"--crate-type=lib", ~"-C", ~"save-temps"];
-    let args = make_compile_args(config, props,
-                                 link_args + llvm_args,
+    let link_args = vec!(~"-L", aux_dir.as_str().unwrap().to_owned());
+    let llvm_args = vec!(~"--emit=obj", ~"--crate-type=lib", ~"-C", ~"save-temps");
+    let args = make_compile_args(config,
+                                 props,
+                                 vec_ng::append(link_args,
+                                                llvm_args.as_slice()),
                                  |a, b| ThisFile(make_o_name(a, b)), testfile);
     compose_and_run_compiler(config, props, testfile, args, None)
 }
@@ -1097,12 +1124,12 @@ fn compile_cc_with_clang_and_save_bitcode(config: &config, _props: &TestProps,
     let proc_args = ProcArgs {
         // FIXME (#9639): This needs to handle non-utf8 paths
         prog: config.clang_path.get_ref().as_str().unwrap().to_owned(),
-        args: ~[~"-c",
+        args: vec!(~"-c",
                 ~"-emit-llvm",
                 ~"-o", bitcodefile.as_str().unwrap().to_owned(),
-                testcc.as_str().unwrap().to_owned() ]
+                testcc.as_str().unwrap().to_owned() )
     };
-    compose_and_run(config, testfile, proc_args, ~[], "", None)
+    compose_and_run(config, testfile, proc_args, Vec::new(), "", None)
 }
 
 fn extract_function_from_bitcode(config: &config, _props: &TestProps,
@@ -1115,11 +1142,11 @@ fn extract_function_from_bitcode(config: &config, _props: &TestProps,
     let proc_args = ProcArgs {
         // FIXME (#9639): This needs to handle non-utf8 paths
         prog: prog.as_str().unwrap().to_owned(),
-        args: ~["-func=" + fname,
+        args: vec!("-func=" + fname,
                 "-o=" + extracted_bc.as_str().unwrap(),
-                bitcodefile.as_str().unwrap().to_owned() ]
+                bitcodefile.as_str().unwrap().to_owned() )
     };
-    compose_and_run(config, testfile, proc_args, ~[], "", None)
+    compose_and_run(config, testfile, proc_args, Vec::new(), "", None)
 }
 
 fn disassemble_extract(config: &config, _props: &TestProps,
@@ -1132,10 +1159,10 @@ fn disassemble_extract(config: &config, _props: &TestProps,
     let proc_args = ProcArgs {
         // FIXME (#9639): This needs to handle non-utf8 paths
         prog: prog.as_str().unwrap().to_owned(),
-        args: ~["-o=" + extracted_ll.as_str().unwrap(),
-                extracted_bc.as_str().unwrap().to_owned() ]
+        args: vec!("-o=" + extracted_ll.as_str().unwrap(),
+                extracted_bc.as_str().unwrap().to_owned() )
     };
-    compose_and_run(config, testfile, proc_args, ~[], "", None)
+    compose_and_run(config, testfile, proc_args, Vec::new(), "", None)
 }
 
 
diff --git a/src/libarena/lib.rs b/src/libarena/lib.rs
index 1fc88eda37b5f..d0e2e079ef82c 100644
--- a/src/libarena/lib.rs
+++ b/src/libarena/lib.rs
@@ -27,6 +27,7 @@ extern crate collections;
 use collections::list::{List, Cons, Nil};
 
 use std::cast::{transmute, transmute_mut, transmute_mut_region};
+use std::vec_ng::Vec;
 use std::cast;
 use std::cell::{Cell, RefCell};
 use std::mem;
@@ -38,14 +39,13 @@ use std::rc::Rc;
 use std::rt::global_heap;
 use std::intrinsics::{TyDesc, get_tydesc};
 use std::intrinsics;
-use std::vec;
 
 // The way arena uses arrays is really deeply awful. The arrays are
 // allocated, and have capacities reserved, but the fill for the array
 // will always stay at 0.
 #[deriving(Clone, Eq)]
 struct Chunk {
-    data: Rc<RefCell<~[u8]>>,
+    data: Rc<RefCell<Vec<u8> >>,
     fill: Cell<uint>,
     is_pod: Cell<bool>,
 }
@@ -107,7 +107,7 @@ impl Arena {
 
 fn chunk(size: uint, is_pod: bool) -> Chunk {
     Chunk {
-        data: Rc::new(RefCell::new(vec::with_capacity(size))),
+        data: Rc::new(RefCell::new(Vec::with_capacity(size))),
         fill: Cell::new(0u),
         is_pod: Cell::new(is_pod),
     }
@@ -485,6 +485,9 @@ impl<T> Drop for TypedArena<T> {
 #[cfg(test)]
 mod tests {
     extern crate test;
+
+    use std::vec_ng::Vec;
+
     use self::test::BenchHarness;
     use super::{Arena, TypedArena};
 
@@ -545,7 +548,7 @@ mod tests {
 
     struct Nonpod {
         string: ~str,
-        array: ~[int],
+        array: Vec<int> ,
     }
 
     #[test]
@@ -554,7 +557,7 @@ mod tests {
         for _ in range(0, 100000) {
             arena.alloc(Nonpod {
                 string: ~"hello world",
-                array: ~[ 1, 2, 3, 4, 5 ],
+                array: vec!( 1, 2, 3, 4, 5 ),
             });
         }
     }
@@ -565,7 +568,7 @@ mod tests {
         bh.iter(|| {
             arena.alloc(Nonpod {
                 string: ~"hello world",
-                array: ~[ 1, 2, 3, 4, 5 ],
+                array: vec!( 1, 2, 3, 4, 5 ),
             })
         })
     }
@@ -575,7 +578,7 @@ mod tests {
         bh.iter(|| {
             ~Nonpod {
                 string: ~"hello world",
-                array: ~[ 1, 2, 3, 4, 5 ],
+                array: vec!( 1, 2, 3, 4, 5 ),
             }
         })
     }
@@ -586,7 +589,7 @@ mod tests {
         bh.iter(|| {
             arena.alloc(|| Nonpod {
                 string: ~"hello world",
-                array: ~[ 1, 2, 3, 4, 5 ],
+                array: vec!( 1, 2, 3, 4, 5 ),
             })
         })
     }
diff --git a/src/libgetopts/lib.rs b/src/libgetopts/lib.rs
index b1b8351b040ad..90f641aca7e2a 100644
--- a/src/libgetopts/lib.rs
+++ b/src/libgetopts/lib.rs
@@ -67,7 +67,7 @@
 //!     }
 //!     let output = matches.opt_str("o");
 //!     let input: &str = if !matches.free.is_empty() {
-//!         matches.free[0].clone()
+//!         (*matches.free.get(0)).clone()
 //!     } else {
 //!         print_usage(program, opts);
 //!         return;
@@ -87,8 +87,7 @@
 use std::cmp::Eq;
 use std::result::{Err, Ok};
 use std::result;
-use std::option::{Some, None};
-use std::vec;
+use std::vec_ng::Vec;
 
 /// Name of an option. Either a string or a single char.
 #[deriving(Clone, Eq)]
@@ -126,7 +125,7 @@ pub struct Opt {
     /// How often it can occur
     occur: Occur,
     /// Which options it aliases
-    priv aliases: ~[Opt],
+    priv aliases: Vec<Opt> ,
 }
 
 /// One group of options, e.g., both -h and --help, along with
@@ -159,12 +158,11 @@ enum Optval {
 #[deriving(Clone, Eq)]
 pub struct Matches {
     /// Options that matched
-    priv opts: ~[Opt],
+    priv opts: Vec<Opt> ,
     /// Values of the Options that matched
-    priv vals: ~[~[Optval]],
+    priv vals: Vec<Vec<Optval> > ,
     /// Free string fragments
-    free: ~[~str]
-}
+    free: Vec<~str> }
 
 /// The type returned when the command line does not conform to the
 /// expected format. Call the `to_err_msg` method to retrieve the
@@ -228,26 +226,26 @@ impl OptGroup {
                 name: Long((long_name)),
                 hasarg: hasarg,
                 occur: occur,
-                aliases: ~[]
+                aliases: Vec::new()
             },
             (1,0) => Opt {
                 name: Short(short_name.char_at(0)),
                 hasarg: hasarg,
                 occur: occur,
-                aliases: ~[]
+                aliases: Vec::new()
             },
             (1,_) => Opt {
                 name: Long((long_name)),
                 hasarg: hasarg,
                 occur:  occur,
-                aliases: ~[
+                aliases: vec!(
                     Opt {
                         name: Short(short_name.char_at(0)),
                         hasarg: hasarg,
                         occur:  occur,
-                        aliases: ~[]
+                        aliases: Vec::new()
                     }
-                ]
+                )
             },
             (_,_) => fail!("something is wrong with the long-form opt")
         }
@@ -255,9 +253,9 @@ impl OptGroup {
 }
 
 impl Matches {
-    fn opt_vals(&self, nm: &str) -> ~[Optval] {
-        match find_opt(self.opts, Name::from_str(nm)) {
-            Some(id) => self.vals[id].clone(),
+    fn opt_vals(&self, nm: &str) -> Vec<Optval> {
+        match find_opt(self.opts.as_slice(), Name::from_str(nm)) {
+            Some(id) => (*self.vals.get(id)).clone(),
             None => fail!("No option '{}' defined", nm)
         }
     }
@@ -267,7 +265,7 @@ impl Matches {
         if vals.is_empty() {
             None
         } else {
-            Some(vals[0].clone())
+            Some((*vals.get(0)).clone())
         }
     }
 
@@ -284,8 +282,8 @@ impl Matches {
     /// Returns true if any of several options were matched.
     pub fn opts_present(&self, names: &[~str]) -> bool {
         for nm in names.iter() {
-            match find_opt(self.opts, Name::from_str(*nm)) {
-                Some(id) if !self.vals[id].is_empty() => return true,
+            match find_opt(self.opts.as_slice(), Name::from_str(*nm)) {
+                Some(id) if !self.vals.get(id).is_empty() => return true,
                 _ => (),
             };
         }
@@ -307,8 +305,8 @@ impl Matches {
     /// option.
     ///
     /// Used when an option accepts multiple values.
-    pub fn opt_strs(&self, nm: &str) -> ~[~str] {
-        let mut acc: ~[~str] = ~[];
+    pub fn opt_strs(&self, nm: &str) -> Vec<~str> {
+        let mut acc: Vec<~str> = Vec::new();
         let r = self.opt_vals(nm);
         for v in r.iter() {
             match *v {
@@ -325,8 +323,8 @@ impl Matches {
         if vals.is_empty() {
             return None::<~str>;
         }
-        match vals[0] {
-            Val(ref s) => Some((*s).clone()),
+        match vals.get(0) {
+            &Val(ref s) => Some((*s).clone()),
             _ => None
         }
     }
@@ -340,8 +338,8 @@ impl Matches {
     pub fn opt_default(&self, nm: &str, def: &str) -> Option<~str> {
         let vals = self.opt_vals(nm);
         if vals.is_empty() { return None; }
-        match vals[0] {
-            Val(ref s) => Some((*s).clone()),
+        match vals.get(0) {
+            &Val(ref s) => Some((*s).clone()),
             _ => Some(def.to_owned())
         }
     }
@@ -506,10 +504,10 @@ pub fn getopts(args: &[~str], optgrps: &[OptGroup]) -> Result {
     let opts = optgrps.map(|x| x.long_to_short());
     let n_opts = opts.len();
 
-    fn f(_x: uint) -> ~[Optval] { return ~[]; }
+    fn f(_x: uint) -> Vec<Optval> { return Vec::new(); }
 
-    let mut vals = vec::from_fn(n_opts, f);
-    let mut free: ~[~str] = ~[];
+    let mut vals = Vec::from_fn(n_opts, f);
+    let mut free: Vec<~str> = Vec::new();
     let l = args.len();
     let mut i = 0;
     while i < l {
@@ -526,18 +524,18 @@ pub fn getopts(args: &[~str], optgrps: &[OptGroup]) -> Result {
             let mut i_arg = None;
             if cur[1] == '-' as u8 {
                 let tail = cur.slice(2, curlen);
-                let tail_eq: ~[&str] = tail.split('=').collect();
+                let tail_eq: Vec<&str> = tail.split('=').collect();
                 if tail_eq.len() <= 1 {
-                    names = ~[Long(tail.to_owned())];
+                    names = vec!(Long(tail.to_owned()));
                 } else {
                     names =
-                        ~[Long(tail_eq[0].to_owned())];
-                    i_arg = Some(tail_eq[1].to_owned());
+                        vec!(Long((*tail_eq.get(0)).to_owned()));
+                    i_arg = Some((*tail_eq.get(1)).to_owned());
                 }
             } else {
                 let mut j = 1;
                 let mut last_valid_opt_id = None;
-                names = ~[];
+                names = Vec::new();
                 while j < curlen {
                     let range = cur.char_range_at(j);
                     let opt = Short(range.ch);
@@ -584,22 +582,30 @@ pub fn getopts(args: &[~str], optgrps: &[OptGroup]) -> Result {
                     if !i_arg.is_none() {
                         return Err(UnexpectedArgument(nm.to_str()));
                     }
-                    vals[optid].push(Given);
+                    vals.get_mut(optid).push(Given);
                   }
                   Maybe => {
                     if !i_arg.is_none() {
-                        vals[optid].push(Val((i_arg.clone()).unwrap()));
+                        vals.get_mut(optid)
+                            .push(Val((i_arg.clone())
+                            .unwrap()));
                     } else if name_pos < names.len() ||
                                   i + 1 == l || is_arg(args[i + 1]) {
-                        vals[optid].push(Given);
-                    } else { i += 1; vals[optid].push(Val(args[i].clone())); }
+                        vals.get_mut(optid).push(Given);
+                    } else {
+                        i += 1;
+                        vals.get_mut(optid).push(Val(args[i].clone()));
+                    }
                   }
                   Yes => {
                     if !i_arg.is_none() {
-                        vals[optid].push(Val(i_arg.clone().unwrap()));
+                        vals.get_mut(optid).push(Val(i_arg.clone().unwrap()));
                     } else if i + 1 == l {
                         return Err(ArgumentMissing(nm.to_str()));
-                    } else { i += 1; vals[optid].push(Val(args[i].clone())); }
+                    } else {
+                        i += 1;
+                        vals.get_mut(optid).push(Val(args[i].clone()));
+                    }
                   }
                 }
             }
@@ -608,7 +614,7 @@ pub fn getopts(args: &[~str], optgrps: &[OptGroup]) -> Result {
     }
     i = 0u;
     while i < n_opts {
-        let n = vals[i].len();
+        let n = vals.get(i).len();
         let occ = opts[i].occur;
         if occ == Req {
             if n == 0 {
@@ -623,7 +629,7 @@ pub fn getopts(args: &[~str], optgrps: &[OptGroup]) -> Result {
         i += 1;
     }
     Ok(Matches {
-        opts: opts.to_owned(),
+        opts: Vec::from_slice(opts),
         vals: vals,
         free: free
     })
@@ -695,7 +701,7 @@ pub fn usage(brief: &str, opts: &[OptGroup]) -> ~str {
         }
 
         // FIXME: #5516 should be graphemes not codepoints
-        let mut desc_rows = ~[];
+        let mut desc_rows = Vec::new();
         each_split_within(desc_normalized_whitespace, 54, |substr| {
             desc_rows.push(substr.to_owned());
             true
@@ -708,7 +714,7 @@ pub fn usage(brief: &str, opts: &[OptGroup]) -> ~str {
         row
     });
 
-    format!("{}\n\nOptions:\n{}\n", brief, rows.collect::<~[~str]>().connect("\n"))
+    format!("{}\n\nOptions:\n{}\n", brief, rows.collect::<Vec<~str> >().connect("\n"))
 }
 
 fn format_option(opt: &OptGroup) -> ~str {
@@ -863,7 +869,7 @@ fn each_split_within<'a>(ss: &'a str, lim: uint, it: |&'a str| -> bool)
 #[test]
 fn test_split_within() {
     fn t(s: &str, i: uint, u: &[~str]) {
-        let mut v = ~[];
+        let mut v = Vec::new();
         each_split_within(s, i, |s| { v.push(s.to_owned()); true });
         assert!(v.iter().zip(u.iter()).all(|(a,b)| a == b));
     }
@@ -882,6 +888,7 @@ mod tests {
 
     use std::result::{Err, Ok};
     use std::result;
+    use std::vec_ng::Vec;
 
     fn check_fail_type(f: Fail_, ft: FailType) {
         match f {
@@ -896,9 +903,9 @@ mod tests {
     // Tests for reqopt
     #[test]
     fn test_reqopt() {
-        let long_args = ~[~"--test=20"];
-        let opts = ~[reqopt("t", "test", "testing", "TEST")];
-        let rs = getopts(long_args, opts);
+        let long_args = vec!(~"--test=20");
+        let opts = vec!(reqopt("t", "test", "testing", "TEST"));
+        let rs = getopts(long_args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
             assert!(m.opt_present("test"));
@@ -908,8 +915,8 @@ mod tests {
           }
           _ => { fail!("test_reqopt failed (long arg)"); }
         }
-        let short_args = ~[~"-t", ~"20"];
-        match getopts(short_args, opts) {
+        let short_args = vec!(~"-t", ~"20");
+        match getopts(short_args.as_slice(), opts.as_slice()) {
           Ok(ref m) => {
             assert!((m.opt_present("test")));
             assert_eq!(m.opt_str("test").unwrap(), ~"20");
@@ -922,9 +929,9 @@ mod tests {
 
     #[test]
     fn test_reqopt_missing() {
-        let args = ~[~"blah"];
-        let opts = ~[reqopt("t", "test", "testing", "TEST")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"blah");
+        let opts = vec!(reqopt("t", "test", "testing", "TEST"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Err(f) => check_fail_type(f, OptionMissing_),
           _ => fail!()
@@ -933,15 +940,15 @@ mod tests {
 
     #[test]
     fn test_reqopt_no_arg() {
-        let long_args = ~[~"--test"];
-        let opts = ~[reqopt("t", "test", "testing", "TEST")];
-        let rs = getopts(long_args, opts);
+        let long_args = vec!(~"--test");
+        let opts = vec!(reqopt("t", "test", "testing", "TEST"));
+        let rs = getopts(long_args.as_slice(), opts.as_slice());
         match rs {
           Err(f) => check_fail_type(f, ArgumentMissing_),
           _ => fail!()
         }
-        let short_args = ~[~"-t"];
-        match getopts(short_args, opts) {
+        let short_args = vec!(~"-t");
+        match getopts(short_args.as_slice(), opts.as_slice()) {
           Err(f) => check_fail_type(f, ArgumentMissing_),
           _ => fail!()
         }
@@ -949,9 +956,9 @@ mod tests {
 
     #[test]
     fn test_reqopt_multi() {
-        let args = ~[~"--test=20", ~"-t", ~"30"];
-        let opts = ~[reqopt("t", "test", "testing", "TEST")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"--test=20", ~"-t", ~"30");
+        let opts = vec!(reqopt("t", "test", "testing", "TEST"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Err(f) => check_fail_type(f, OptionDuplicated_),
           _ => fail!()
@@ -961,9 +968,9 @@ mod tests {
     // Tests for optopt
     #[test]
     fn test_optopt() {
-        let long_args = ~[~"--test=20"];
-        let opts = ~[optopt("t", "test", "testing", "TEST")];
-        let rs = getopts(long_args, opts);
+        let long_args = vec!(~"--test=20");
+        let opts = vec!(optopt("t", "test", "testing", "TEST"));
+        let rs = getopts(long_args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
             assert!(m.opt_present("test"));
@@ -973,8 +980,8 @@ mod tests {
           }
           _ => fail!()
         }
-        let short_args = ~[~"-t", ~"20"];
-        match getopts(short_args, opts) {
+        let short_args = vec!(~"-t", ~"20");
+        match getopts(short_args.as_slice(), opts.as_slice()) {
           Ok(ref m) => {
             assert!((m.opt_present("test")));
             assert_eq!(m.opt_str("test").unwrap(), ~"20");
@@ -987,9 +994,9 @@ mod tests {
 
     #[test]
     fn test_optopt_missing() {
-        let args = ~[~"blah"];
-        let opts = ~[optopt("t", "test", "testing", "TEST")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"blah");
+        let opts = vec!(optopt("t", "test", "testing", "TEST"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
             assert!(!m.opt_present("test"));
@@ -1001,15 +1008,15 @@ mod tests {
 
     #[test]
     fn test_optopt_no_arg() {
-        let long_args = ~[~"--test"];
-        let opts = ~[optopt("t", "test", "testing", "TEST")];
-        let rs = getopts(long_args, opts);
+        let long_args = vec!(~"--test");
+        let opts = vec!(optopt("t", "test", "testing", "TEST"));
+        let rs = getopts(long_args.as_slice(), opts.as_slice());
         match rs {
           Err(f) => check_fail_type(f, ArgumentMissing_),
           _ => fail!()
         }
-        let short_args = ~[~"-t"];
-        match getopts(short_args, opts) {
+        let short_args = vec!(~"-t");
+        match getopts(short_args.as_slice(), opts.as_slice()) {
           Err(f) => check_fail_type(f, ArgumentMissing_),
           _ => fail!()
         }
@@ -1017,9 +1024,9 @@ mod tests {
 
     #[test]
     fn test_optopt_multi() {
-        let args = ~[~"--test=20", ~"-t", ~"30"];
-        let opts = ~[optopt("t", "test", "testing", "TEST")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"--test=20", ~"-t", ~"30");
+        let opts = vec!(optopt("t", "test", "testing", "TEST"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Err(f) => check_fail_type(f, OptionDuplicated_),
           _ => fail!()
@@ -1029,9 +1036,9 @@ mod tests {
     // Tests for optflag
     #[test]
     fn test_optflag() {
-        let long_args = ~[~"--test"];
-        let opts = ~[optflag("t", "test", "testing")];
-        let rs = getopts(long_args, opts);
+        let long_args = vec!(~"--test");
+        let opts = vec!(optflag("t", "test", "testing"));
+        let rs = getopts(long_args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
             assert!(m.opt_present("test"));
@@ -1039,8 +1046,8 @@ mod tests {
           }
           _ => fail!()
         }
-        let short_args = ~[~"-t"];
-        match getopts(short_args, opts) {
+        let short_args = vec!(~"-t");
+        match getopts(short_args.as_slice(), opts.as_slice()) {
           Ok(ref m) => {
             assert!(m.opt_present("test"));
             assert!(m.opt_present("t"));
@@ -1051,9 +1058,9 @@ mod tests {
 
     #[test]
     fn test_optflag_missing() {
-        let args = ~[~"blah"];
-        let opts = ~[optflag("t", "test", "testing")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"blah");
+        let opts = vec!(optflag("t", "test", "testing"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
             assert!(!m.opt_present("test"));
@@ -1065,9 +1072,9 @@ mod tests {
 
     #[test]
     fn test_optflag_long_arg() {
-        let args = ~[~"--test=20"];
-        let opts = ~[optflag("t", "test", "testing")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"--test=20");
+        let opts = vec!(optflag("t", "test", "testing"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Err(f) => {
             error!("{:?}", f.clone().to_err_msg());
@@ -1079,9 +1086,9 @@ mod tests {
 
     #[test]
     fn test_optflag_multi() {
-        let args = ~[~"--test", ~"-t"];
-        let opts = ~[optflag("t", "test", "testing")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"--test", ~"-t");
+        let opts = vec!(optflag("t", "test", "testing"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Err(f) => check_fail_type(f, OptionDuplicated_),
           _ => fail!()
@@ -1090,14 +1097,14 @@ mod tests {
 
     #[test]
     fn test_optflag_short_arg() {
-        let args = ~[~"-t", ~"20"];
-        let opts = ~[optflag("t", "test", "testing")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"-t", ~"20");
+        let opts = vec!(optflag("t", "test", "testing"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
             // The next variable after the flag is just a free argument
 
-            assert!(m.free[0] == ~"20");
+            assert!(*m.free.get(0) == ~"20");
           }
           _ => fail!()
         }
@@ -1106,9 +1113,9 @@ mod tests {
     // Tests for optflagmulti
     #[test]
     fn test_optflagmulti_short1() {
-        let args = ~[~"-v"];
-        let opts = ~[optflagmulti("v", "verbose", "verbosity")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"-v");
+        let opts = vec!(optflagmulti("v", "verbose", "verbosity"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
             assert_eq!(m.opt_count("v"), 1);
@@ -1119,9 +1126,9 @@ mod tests {
 
     #[test]
     fn test_optflagmulti_short2a() {
-        let args = ~[~"-v", ~"-v"];
-        let opts = ~[optflagmulti("v", "verbose", "verbosity")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"-v", ~"-v");
+        let opts = vec!(optflagmulti("v", "verbose", "verbosity"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
             assert_eq!(m.opt_count("v"), 2);
@@ -1132,9 +1139,9 @@ mod tests {
 
     #[test]
     fn test_optflagmulti_short2b() {
-        let args = ~[~"-vv"];
-        let opts = ~[optflagmulti("v", "verbose", "verbosity")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"-vv");
+        let opts = vec!(optflagmulti("v", "verbose", "verbosity"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
             assert_eq!(m.opt_count("v"), 2);
@@ -1145,9 +1152,9 @@ mod tests {
 
     #[test]
     fn test_optflagmulti_long1() {
-        let args = ~[~"--verbose"];
-        let opts = ~[optflagmulti("v", "verbose", "verbosity")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"--verbose");
+        let opts = vec!(optflagmulti("v", "verbose", "verbosity"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
             assert_eq!(m.opt_count("verbose"), 1);
@@ -1158,9 +1165,9 @@ mod tests {
 
     #[test]
     fn test_optflagmulti_long2() {
-        let args = ~[~"--verbose", ~"--verbose"];
-        let opts = ~[optflagmulti("v", "verbose", "verbosity")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"--verbose", ~"--verbose");
+        let opts = vec!(optflagmulti("v", "verbose", "verbosity"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
             assert_eq!(m.opt_count("verbose"), 2);
@@ -1171,9 +1178,9 @@ mod tests {
 
     #[test]
     fn test_optflagmulti_mix() {
-        let args = ~[~"--verbose", ~"-v", ~"-vv", ~"verbose"];
-        let opts = ~[optflagmulti("v", "verbose", "verbosity")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"--verbose", ~"-v", ~"-vv", ~"verbose");
+        let opts = vec!(optflagmulti("v", "verbose", "verbosity"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
             assert_eq!(m.opt_count("verbose"), 4);
@@ -1186,9 +1193,9 @@ mod tests {
     // Tests for optmulti
     #[test]
     fn test_optmulti() {
-        let long_args = ~[~"--test=20"];
-        let opts = ~[optmulti("t", "test", "testing", "TEST")];
-        let rs = getopts(long_args, opts);
+        let long_args = vec!(~"--test=20");
+        let opts = vec!(optmulti("t", "test", "testing", "TEST"));
+        let rs = getopts(long_args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
             assert!((m.opt_present("test")));
@@ -1198,8 +1205,8 @@ mod tests {
           }
           _ => fail!()
         }
-        let short_args = ~[~"-t", ~"20"];
-        match getopts(short_args, opts) {
+        let short_args = vec!(~"-t", ~"20");
+        match getopts(short_args.as_slice(), opts.as_slice()) {
           Ok(ref m) => {
             assert!((m.opt_present("test")));
             assert_eq!(m.opt_str("test").unwrap(), ~"20");
@@ -1212,9 +1219,9 @@ mod tests {
 
     #[test]
     fn test_optmulti_missing() {
-        let args = ~[~"blah"];
-        let opts = ~[optmulti("t", "test", "testing", "TEST")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"blah");
+        let opts = vec!(optmulti("t", "test", "testing", "TEST"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
             assert!(!m.opt_present("test"));
@@ -1226,15 +1233,15 @@ mod tests {
 
     #[test]
     fn test_optmulti_no_arg() {
-        let long_args = ~[~"--test"];
-        let opts = ~[optmulti("t", "test", "testing", "TEST")];
-        let rs = getopts(long_args, opts);
+        let long_args = vec!(~"--test");
+        let opts = vec!(optmulti("t", "test", "testing", "TEST"));
+        let rs = getopts(long_args.as_slice(), opts.as_slice());
         match rs {
           Err(f) => check_fail_type(f, ArgumentMissing_),
           _ => fail!()
         }
-        let short_args = ~[~"-t"];
-        match getopts(short_args, opts) {
+        let short_args = vec!(~"-t");
+        match getopts(short_args.as_slice(), opts.as_slice()) {
           Err(f) => check_fail_type(f, ArgumentMissing_),
           _ => fail!()
         }
@@ -1242,9 +1249,9 @@ mod tests {
 
     #[test]
     fn test_optmulti_multi() {
-        let args = ~[~"--test=20", ~"-t", ~"30"];
-        let opts = ~[optmulti("t", "test", "testing", "TEST")];
-        let rs = getopts(args, opts);
+        let args = vec!(~"--test=20", ~"-t", ~"30");
+        let opts = vec!(optmulti("t", "test", "testing", "TEST"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
               assert!(m.opt_present("test"));
@@ -1252,8 +1259,8 @@ mod tests {
               assert!(m.opt_present("t"));
               assert_eq!(m.opt_str("t").unwrap(), ~"20");
               let pair = m.opt_strs("test");
-              assert!(pair[0] == ~"20");
-              assert!(pair[1] == ~"30");
+              assert!(*pair.get(0) == ~"20");
+              assert!(*pair.get(1) == ~"30");
           }
           _ => fail!()
         }
@@ -1261,15 +1268,15 @@ mod tests {
 
     #[test]
     fn test_unrecognized_option() {
-        let long_args = ~[~"--untest"];
-        let opts = ~[optmulti("t", "test", "testing", "TEST")];
-        let rs = getopts(long_args, opts);
+        let long_args = vec!(~"--untest");
+        let opts = vec!(optmulti("t", "test", "testing", "TEST"));
+        let rs = getopts(long_args.as_slice(), opts.as_slice());
         match rs {
           Err(f) => check_fail_type(f, UnrecognizedOption_),
           _ => fail!()
         }
-        let short_args = ~[~"-u"];
-        match getopts(short_args, opts) {
+        let short_args = vec!(~"-u");
+        match getopts(short_args.as_slice(), opts.as_slice()) {
           Err(f) => check_fail_type(f, UnrecognizedOption_),
           _ => fail!()
         }
@@ -1278,33 +1285,33 @@ mod tests {
     #[test]
     fn test_combined() {
         let args =
-            ~[~"prog", ~"free1", ~"-s", ~"20", ~"free2",
+            vec!(~"prog", ~"free1", ~"-s", ~"20", ~"free2",
               ~"--flag", ~"--long=30", ~"-f", ~"-m", ~"40",
-              ~"-m", ~"50", ~"-n", ~"-A B", ~"-n", ~"-60 70"];
+              ~"-m", ~"50", ~"-n", ~"-A B", ~"-n", ~"-60 70");
         let opts =
-            ~[optopt("s", "something", "something", "SOMETHING"),
+            vec!(optopt("s", "something", "something", "SOMETHING"),
               optflag("", "flag", "a flag"),
               reqopt("", "long", "hi", "LONG"),
               optflag("f", "", "another flag"),
               optmulti("m", "", "mmmmmm", "YUM"),
               optmulti("n", "", "nothing", "NOTHING"),
-              optopt("", "notpresent", "nothing to see here", "NOPE")];
-        let rs = getopts(args, opts);
+              optopt("", "notpresent", "nothing to see here", "NOPE"));
+        let rs = getopts(args.as_slice(), opts.as_slice());
         match rs {
           Ok(ref m) => {
-            assert!(m.free[0] == ~"prog");
-            assert!(m.free[1] == ~"free1");
+            assert!(*m.free.get(0) == ~"prog");
+            assert!(*m.free.get(1) == ~"free1");
             assert_eq!(m.opt_str("s").unwrap(), ~"20");
-            assert!(m.free[2] == ~"free2");
+            assert!(*m.free.get(2) == ~"free2");
             assert!((m.opt_present("flag")));
             assert_eq!(m.opt_str("long").unwrap(), ~"30");
             assert!((m.opt_present("f")));
             let pair = m.opt_strs("m");
-            assert!(pair[0] == ~"40");
-            assert!(pair[1] == ~"50");
+            assert!(*pair.get(0) == ~"40");
+            assert!(*pair.get(1) == ~"50");
             let pair = m.opt_strs("n");
-            assert!(pair[0] == ~"-A B");
-            assert!(pair[1] == ~"-60 70");
+            assert!(*pair.get(0) == ~"-A B");
+            assert!(*pair.get(1) == ~"-60 70");
             assert!((!m.opt_present("notpresent")));
           }
           _ => fail!()
@@ -1313,12 +1320,13 @@ mod tests {
 
     #[test]
     fn test_multi() {
-        let opts = ~[optopt("e", "", "encrypt", "ENCRYPT"),
+        let opts = vec!(optopt("e", "", "encrypt", "ENCRYPT"),
                      optopt("", "encrypt", "encrypt", "ENCRYPT"),
-                     optopt("f", "", "flag", "FLAG")];
+                     optopt("f", "", "flag", "FLAG"));
 
-        let args_single = ~[~"-e", ~"foo"];
-        let matches_single = &match getopts(args_single, opts) {
+        let args_single = vec!(~"-e", ~"foo");
+        let matches_single = &match getopts(args_single.as_slice(),
+                                            opts.as_slice()) {
           result::Ok(m) => m,
           result::Err(_) => fail!()
         };
@@ -1333,8 +1341,9 @@ mod tests {
         assert_eq!(matches_single.opts_str([~"e", ~"encrypt"]).unwrap(), ~"foo");
         assert_eq!(matches_single.opts_str([~"encrypt", ~"e"]).unwrap(), ~"foo");
 
-        let args_both = ~[~"-e", ~"foo", ~"--encrypt", ~"foo"];
-        let matches_both = &match getopts(args_both, opts) {
+        let args_both = vec!(~"-e", ~"foo", ~"--encrypt", ~"foo");
+        let matches_both = &match getopts(args_both.as_slice(),
+                                          opts.as_slice()) {
           result::Ok(m) => m,
           result::Err(_) => fail!()
         };
@@ -1354,10 +1363,10 @@ mod tests {
 
     #[test]
     fn test_nospace() {
-        let args = ~[~"-Lfoo", ~"-M."];
-        let opts = ~[optmulti("L", "", "library directory", "LIB"),
-                     optmulti("M", "", "something", "MMMM")];
-        let matches = &match getopts(args, opts) {
+        let args = vec!(~"-Lfoo", ~"-M.");
+        let opts = vec!(optmulti("L", "", "library directory", "LIB"),
+                     optmulti("M", "", "something", "MMMM"));
+        let matches = &match getopts(args.as_slice(), opts.as_slice()) {
           result::Ok(m) => m,
           result::Err(_) => fail!()
         };
@@ -1370,14 +1379,16 @@ mod tests {
 
     #[test]
     fn test_long_to_short() {
-        let mut short = Opt { name: Long(~"banana"),
-                              hasarg: Yes,
-                              occur: Req,
-                              aliases: ~[] };
-        short.aliases = ~[Opt { name: Short('b'),
+        let mut short = Opt {
+            name: Long(~"banana"),
+            hasarg: Yes,
+            occur: Req,
+            aliases: Vec::new(),
+        };
+        short.aliases = vec!(Opt { name: Short('b'),
                                 hasarg: Yes,
                                 occur: Req,
-                                aliases: ~[] }];
+                                aliases: Vec::new() });
         let verbose = reqopt("b", "banana", "some bananas", "VAL");
 
         assert!(verbose.long_to_short() == short);
@@ -1385,27 +1396,25 @@ mod tests {
 
     #[test]
     fn test_aliases_long_and_short() {
-        let opts = ~[
-            optflagmulti("a", "apple", "Desc"),
-        ];
+        let opts = vec!(
+            optflagmulti("a", "apple", "Desc"));
 
-        let args = ~[~"-a", ~"--apple", ~"-a"];
+        let args = vec!(~"-a", ~"--apple", ~"-a");
 
-        let matches = getopts(args, opts).unwrap();
+        let matches = getopts(args.as_slice(), opts.as_slice()).unwrap();
         assert_eq!(3, matches.opt_count("a"));
         assert_eq!(3, matches.opt_count("apple"));
     }
 
     #[test]
     fn test_usage() {
-        let optgroups = ~[
+        let optgroups = vec!(
             reqopt("b", "banana", "Desc", "VAL"),
             optopt("a", "012345678901234567890123456789",
                              "Desc", "VAL"),
             optflag("k", "kiwi", "Desc"),
             optflagopt("p", "", "Desc", "VAL"),
-            optmulti("l", "", "Desc", "VAL"),
-        ];
+            optmulti("l", "", "Desc", "VAL"));
 
         let expected =
 ~"Usage: fruits
@@ -1419,7 +1428,7 @@ Options:
     -l VAL              Desc
 ";
 
-        let generated_usage = usage("Usage: fruits", optgroups);
+        let generated_usage = usage("Usage: fruits", optgroups.as_slice());
 
         debug!("expected: <<{}>>", expected);
         debug!("generated: <<{}>>", generated_usage);
@@ -1431,12 +1440,11 @@ Options:
         // indentation should be 24 spaces
         // lines wrap after 78: or rather descriptions wrap after 54
 
-        let optgroups = ~[
+        let optgroups = vec!(
             optflag("k", "kiwi",
                 "This is a long description which won't be wrapped..+.."), // 54
             optflag("a", "apple",
-                "This is a long description which _will_ be wrapped..+.."), // 55
-        ];
+                "This is a long description which _will_ be wrapped..+.."));
 
         let expected =
 ~"Usage: fruits
@@ -1447,7 +1455,7 @@ Options:
                         wrapped..+..
 ";
 
-        let usage = usage("Usage: fruits", optgroups);
+        let usage = usage("Usage: fruits", optgroups.as_slice());
 
         debug!("expected: <<{}>>", expected);
         debug!("generated: <<{}>>", usage);
@@ -1456,13 +1464,12 @@ Options:
 
     #[test]
     fn test_usage_description_multibyte_handling() {
-        let optgroups = ~[
+        let optgroups = vec!(
             optflag("k", "k\u2013w\u2013",
                 "The word kiwi is normally spelled with two i's"),
             optflag("a", "apple",
                 "This \u201Cdescription\u201D has some characters that could \
-confuse the line wrapping; an apple costs 0.51€ in some parts of Europe."),
-        ];
+confuse the line wrapping; an apple costs 0.51€ in some parts of Europe."));
 
         let expected =
 ~"Usage: fruits
@@ -1474,7 +1481,7 @@ Options:
                         some parts of Europe.
 ";
 
-        let usage = usage("Usage: fruits", optgroups);
+        let usage = usage("Usage: fruits", optgroups.as_slice());
 
         debug!("expected: <<{}>>", expected);
         debug!("generated: <<{}>>", usage);
@@ -1483,17 +1490,16 @@ Options:
 
     #[test]
     fn test_short_usage() {
-        let optgroups = ~[
+        let optgroups = vec!(
             reqopt("b", "banana", "Desc", "VAL"),
             optopt("a", "012345678901234567890123456789",
                      "Desc", "VAL"),
             optflag("k", "kiwi", "Desc"),
             optflagopt("p", "", "Desc", "VAL"),
-            optmulti("l", "", "Desc", "VAL"),
-        ];
+            optmulti("l", "", "Desc", "VAL"));
 
         let expected = ~"Usage: fruits -b VAL [-a VAL] [-k] [-p [VAL]] [-l VAL]..";
-        let generated_usage = short_usage("fruits", optgroups);
+        let generated_usage = short_usage("fruits", optgroups.as_slice());
 
         debug!("expected: <<{}>>", expected);
         debug!("generated: <<{}>>", generated_usage);
diff --git a/src/libglob/lib.rs b/src/libglob/lib.rs
index 819e0949e3be4..4ccfdc8b40c87 100644
--- a/src/libglob/lib.rs
+++ b/src/libglob/lib.rs
@@ -29,6 +29,7 @@
 #[license = "MIT/ASL2"];
 
 use std::cell::Cell;
+use std::vec_ng::Vec;
 use std::{cmp, os, path};
 use std::io::fs;
 use std::path::is_sep;
@@ -39,10 +40,9 @@ use std::path::is_sep;
  */
 pub struct Paths {
     priv root: Path,
-    priv dir_patterns: ~[Pattern],
+    priv dir_patterns: Vec<Pattern> ,
     priv options: MatchOptions,
-    priv todo: ~[(Path,uint)]
-}
+    priv todo: Vec<(Path,uint)> }
 
 ///
 /// Return an iterator that produces all the Paths that match the given pattern,
@@ -100,16 +100,23 @@ pub fn glob_with(pattern: &str, options: MatchOptions) -> Paths {
         if check_windows_verbatim(pat_root.get_ref()) {
             // FIXME: How do we want to handle verbatim paths? I'm inclined to return nothing,
             // since we can't very well find all UNC shares with a 1-letter server name.
-            return Paths { root: root, dir_patterns: ~[], options: options, todo: ~[] };
+            return Paths {
+                root: root,
+                dir_patterns: Vec::new(),
+                options: options,
+                todo: Vec::new(),
+            };
         }
         root.push(pat_root.get_ref());
     }
 
     let root_len = pat_root.map_or(0u, |p| p.as_vec().len());
     let dir_patterns = pattern.slice_from(cmp::min(root_len, pattern.len()))
-                       .split_terminator(is_sep).map(|s| Pattern::new(s)).to_owned_vec();
+                       .split_terminator(is_sep)
+                       .map(|s| Pattern::new(s))
+                       .collect();
 
-    let todo = list_dir_sorted(&root).move_iter().map(|x|(x,0u)).to_owned_vec();
+    let todo = list_dir_sorted(&root).move_iter().map(|x|(x,0u)).collect();
 
     Paths {
         root: root,
@@ -128,7 +135,7 @@ impl Iterator<Path> for Paths {
             }
 
             let (path,idx) = self.todo.pop().unwrap();
-            let ref pattern = self.dir_patterns[idx];
+            let ref pattern = *self.dir_patterns.get(idx);
 
             if pattern.matches_with(match path.filename_str() {
                 // this ugly match needs to go here to avoid a borrowck error
@@ -152,13 +159,13 @@ impl Iterator<Path> for Paths {
 
 }
 
-fn list_dir_sorted(path: &Path) -> ~[Path] {
+fn list_dir_sorted(path: &Path) -> Vec<Path> {
     match fs::readdir(path) {
         Ok(mut children) => {
             children.sort_by(|p1, p2| p2.filename().cmp(&p1.filename()));
-            children
+            children.move_iter().collect()
         }
-        Err(..) => ~[]
+        Err(..) => Vec::new()
     }
 }
 
@@ -167,16 +174,15 @@ fn list_dir_sorted(path: &Path) -> ~[Path] {
  */
 #[deriving(Clone, Eq, TotalEq, Ord, TotalOrd, Hash, Default)]
 pub struct Pattern {
-    priv tokens: ~[PatternToken]
-}
+    priv tokens: Vec<PatternToken> }
 
 #[deriving(Clone, Eq, TotalEq, Ord, TotalOrd, Hash)]
 enum PatternToken {
     Char(char),
     AnyChar,
     AnySequence,
-    AnyWithin(~[CharSpecifier]),
-    AnyExcept(~[CharSpecifier])
+    AnyWithin(Vec<CharSpecifier> ),
+    AnyExcept(Vec<CharSpecifier> )
 }
 
 #[deriving(Clone, Eq, TotalEq, Ord, TotalOrd, Hash)]
@@ -216,7 +222,7 @@ impl Pattern {
     pub fn new(pattern: &str) -> Pattern {
 
         let chars = pattern.chars().to_owned_vec();
-        let mut tokens = ~[];
+        let mut tokens = Vec::new();
         let mut i = 0;
 
         while i < chars.len() {
@@ -388,10 +394,16 @@ impl Pattern {
                             !require_literal(c)
                         }
                         AnyWithin(ref specifiers) => {
-                            !require_literal(c) && in_char_specifiers(*specifiers, c, options)
+                            !require_literal(c) &&
+                                in_char_specifiers(specifiers.as_slice(),
+                                                   c,
+                                                   options)
                         }
                         AnyExcept(ref specifiers) => {
-                            !require_literal(c) && !in_char_specifiers(*specifiers, c, options)
+                            !require_literal(c) &&
+                                !in_char_specifiers(specifiers.as_slice(),
+                                                    c,
+                                                    options)
                         }
                         Char(c2) => {
                             chars_eq(c, c2, options.case_sensitive)
@@ -418,8 +430,8 @@ impl Pattern {
 
 }
 
-fn parse_char_specifiers(s: &[char]) -> ~[CharSpecifier] {
-    let mut cs = ~[];
+fn parse_char_specifiers(s: &[char]) -> Vec<CharSpecifier> {
+    let mut cs = Vec::new();
     let mut i = 0;
     while i < s.len() {
         if i + 3 <= s.len() && s[i + 1] == '-' {
diff --git a/src/libnum/bigint.rs b/src/libnum/bigint.rs
index ea8720751d8b0..b976ef3164b23 100644
--- a/src/libnum/bigint.rs
+++ b/src/libnum/bigint.rs
@@ -27,7 +27,8 @@ use std::num::{Zero, One, ToStrRadix, FromStrRadix};
 use std::rand::Rng;
 use std::str;
 use std::uint;
-use std::vec;
+use std::vec_ng::Vec;
+use std::vec_ng;
 use std::{i64, u64};
 
 /**
@@ -86,8 +87,7 @@ A `BigUint`-typed value `BigUint { data: ~[a, b, c] }` represents a number
 */
 #[deriving(Clone)]
 pub struct BigUint {
-    priv data: ~[BigDigit]
-}
+    priv data: Vec<BigDigit> }
 
 impl Eq for BigUint {
     #[inline]
@@ -141,10 +141,10 @@ impl Num for BigUint {}
 impl BitAnd<BigUint, BigUint> for BigUint {
     fn bitand(&self, other: &BigUint) -> BigUint {
         let new_len = cmp::min(self.data.len(), other.data.len());
-        let anded = vec::from_fn(new_len, |i| {
+        let anded = Vec::from_fn(new_len, |i| {
             // i will never be less than the size of either data vector
-            let ai = self.data[i];
-            let bi = other.data[i];
+            let ai = *self.data.get(i);
+            let bi = *other.data.get(i);
             ai & bi
         });
         return BigUint::new(anded);
@@ -154,9 +154,9 @@ impl BitAnd<BigUint, BigUint> for BigUint {
 impl BitOr<BigUint, BigUint> for BigUint {
     fn bitor(&self, other: &BigUint) -> BigUint {
         let new_len = cmp::max(self.data.len(), other.data.len());
-        let ored = vec::from_fn(new_len, |i| {
-            let ai = if i < self.data.len()  { self.data[i]  } else { 0 };
-            let bi = if i < other.data.len() { other.data[i] } else { 0 };
+        let ored = Vec::from_fn(new_len, |i| {
+            let ai = if i < self.data.len()  { *self.data.get(i) } else { 0 };
+            let bi = if i < other.data.len() { *other.data.get(i)} else { 0 };
             ai | bi
         });
         return BigUint::new(ored);
@@ -166,9 +166,17 @@ impl BitOr<BigUint, BigUint> for BigUint {
 impl BitXor<BigUint, BigUint> for BigUint {
     fn bitxor(&self, other: &BigUint) -> BigUint {
         let new_len = cmp::max(self.data.len(), other.data.len());
-        let xored = vec::from_fn(new_len, |i| {
-            let ai = if i < self.data.len()  { self.data[i]  } else { 0 };
-            let bi = if i < other.data.len() { other.data[i] } else { 0 };
+        let xored = Vec::from_fn(new_len, |i| {
+            let ai = if i < self.data.len() {
+                *self.data.get(i)
+            } else {
+                0
+            };
+            let bi = if i < other.data.len() {
+                *other.data.get(i)
+            } else {
+                0
+            };
             ai ^ bi
         });
         return BigUint::new(xored);
@@ -195,7 +203,7 @@ impl Shr<uint, BigUint> for BigUint {
 
 impl Zero for BigUint {
     #[inline]
-    fn zero() -> BigUint { BigUint::new(~[]) }
+    fn zero() -> BigUint { BigUint::new(Vec::new()) }
 
     #[inline]
     fn is_zero(&self) -> bool { self.data.is_empty() }
@@ -203,7 +211,7 @@ impl Zero for BigUint {
 
 impl One for BigUint {
     #[inline]
-    fn one() -> BigUint { BigUint::new(~[1]) }
+    fn one() -> BigUint { BigUint::new(vec!(1)) }
 }
 
 impl Unsigned for BigUint {}
@@ -213,9 +221,17 @@ impl Add<BigUint, BigUint> for BigUint {
         let new_len = cmp::max(self.data.len(), other.data.len());
 
         let mut carry = 0;
-        let mut sum = vec::from_fn(new_len, |i| {
-            let ai = if i < self.data.len()  { self.data[i]  } else { 0 };
-            let bi = if i < other.data.len() { other.data[i] } else { 0 };
+        let mut sum = Vec::from_fn(new_len, |i| {
+            let ai = if i < self.data.len() {
+                *self.data.get(i)
+            } else {
+                0
+            };
+            let bi = if i < other.data.len() {
+                *other.data.get(i)
+            } else {
+                0
+            };
             let (hi, lo) = BigDigit::from_uint(
                 (ai as uint) + (bi as uint) + (carry as uint)
             );
@@ -232,9 +248,17 @@ impl Sub<BigUint, BigUint> for BigUint {
         let new_len = cmp::max(self.data.len(), other.data.len());
 
         let mut borrow = 0;
-        let diff = vec::from_fn(new_len, |i| {
-            let ai = if i < self.data.len()  { self.data[i]  } else { 0 };
-            let bi = if i < other.data.len() { other.data[i] } else { 0 };
+        let diff = Vec::from_fn(new_len, |i| {
+            let ai = if i < self.data.len() {
+                *self.data.get(i)
+            } else {
+                0
+            };
+            let bi = if i < other.data.len() {
+                *other.data.get(i)
+            } else {
+                0
+            };
             let (hi, lo) = BigDigit::from_uint(
                 (BigDigit::base) +
                 (ai as uint) - (bi as uint) - (borrow as uint)
@@ -257,8 +281,8 @@ impl Mul<BigUint, BigUint> for BigUint {
         if self.is_zero() || other.is_zero() { return Zero::zero(); }
 
         let (s_len, o_len) = (self.data.len(), other.data.len());
-        if s_len == 1 { return mul_digit(other, self.data[0]);  }
-        if o_len == 1 { return mul_digit(self,  other.data[0]); }
+        if s_len == 1 { return mul_digit(other, *self.data.get(0));  }
+        if o_len == 1 { return mul_digit(self,  *other.data.get(0)); }
 
         // Using Karatsuba multiplication
         // (a1 * base + a0) * (b1 * base + b0)
@@ -295,7 +319,7 @@ impl Mul<BigUint, BigUint> for BigUint {
                 );
                 carry = hi;
                 lo
-            }).collect::<~[BigDigit]>();
+            }).collect::<Vec<BigDigit> >();
             if carry != 0 { prod.push(carry); }
             return BigUint::new(prod);
         }
@@ -453,14 +477,14 @@ impl Integer for BigUint {
 
             let an = a.data.slice(a.data.len() - n, a.data.len());
             let bn = *b.data.last().unwrap();
-            let mut d = ~[];
+            let mut d = Vec::new();
             let mut carry = 0;
             for elt in an.rev_iter() {
                 let ai = BigDigit::to_uint(carry, *elt);
                 let di = ai / (bn as uint);
                 assert!(di < BigDigit::base);
                 carry = (ai % (bn as uint)) as BigDigit;
-                d = ~[di as BigDigit] + d;
+                d = vec_ng::append(vec!(di as BigDigit), d.as_slice());
             }
 
             let shift = (a.data.len() - an.len()) - (b.data.len() - 1);
@@ -468,7 +492,7 @@ impl Integer for BigUint {
                 return (BigUint::new(d), One::one(), (*b).clone());
             }
             let one: BigUint = One::one();
-            return (BigUint::from_slice(d).shl_unit(shift),
+            return (BigUint::from_slice(d.as_slice()).shl_unit(shift),
                     one.shl_unit(shift),
                     b.shl_unit(shift));
         }
@@ -509,7 +533,7 @@ impl Integer for BigUint {
         if self.data.is_empty() {
             true
         } else {
-            self.data[0].is_even()
+            self.data.get(0).is_even()
         }
     }
 
@@ -538,18 +562,20 @@ impl ToPrimitive for BigUint {
             0 => Some(0),
             1 => Some(self.data[0] as u64),
             2 => {
-                Some(BigDigit::to_uint(self.data[1], self.data[0]) as u64)
+                Some(BigDigit::to_uint(*self.data.get(1), *self.data.get(0))
+                     as u64)
             }
             3 => {
-                let n_lo = BigDigit::to_uint(self.data[1], self.data[0]) as
-                    u64;
-                let n_hi = self.data[2] as u64;
+                let n_lo = BigDigit::to_uint(*self.data.get(1),
+                                             *self.data.get(0)) as u64;
+                let n_hi = *self.data.get(2) as u64;
                 Some((n_hi << 32) + n_lo)
             }
             4 => {
-                let n_lo = BigDigit::to_uint(self.data[1], self.data[0])
-                    as u64;
-                let n_hi = BigDigit::to_uint(self.data[3], self.data[2])
+                let n_lo = BigDigit::to_uint(*self.data.get(1),
+                                             *self.data.get(0)) as u64;
+                let n_hi = BigDigit::to_uint(*self.data.get(3),
+                                             *self.data.get(2))
                     as u64;
                 Some((n_hi << 32) + n_lo)
             }
@@ -562,8 +588,9 @@ impl ToPrimitive for BigUint {
     fn to_u64(&self) -> Option<u64> {
         match self.data.len() {
             0 => Some(0),
-            1 => Some(self.data[0] as u64),
-            2 => Some(BigDigit::to_uint(self.data[1], self.data[0]) as u64),
+            1 => Some(*self.data.get(0) as u64),
+            2 => Some(BigDigit::to_uint(*self.data.get(1), *self.data.get(0))
+                      as u64),
             _ => None
         }
     }
@@ -589,10 +616,10 @@ impl FromPrimitive for BigUint {
 
         let n = match (BigDigit::from_uint(n_hi), BigDigit::from_uint(n_lo)) {
             ((0,  0),  (0,  0))  => Zero::zero(),
-            ((0,  0),  (0,  n0)) => BigUint::new(~[n0]),
-            ((0,  0),  (n1, n0)) => BigUint::new(~[n0, n1]),
-            ((0,  n2), (n1, n0)) => BigUint::new(~[n0, n1, n2]),
-            ((n3, n2), (n1, n0)) => BigUint::new(~[n0, n1, n2, n3]),
+            ((0,  0),  (0,  n0)) => BigUint::new(vec!(n0)),
+            ((0,  0),  (n1, n0)) => BigUint::new(vec!(n0, n1)),
+            ((0,  n2), (n1, n0)) => BigUint::new(vec!(n0, n1, n2)),
+            ((n3, n2), (n1, n0)) => BigUint::new(vec!(n0, n1, n2, n3)),
         };
         Some(n)
     }
@@ -602,8 +629,8 @@ impl FromPrimitive for BigUint {
     fn from_u64(n: u64) -> Option<BigUint> {
         let n = match BigDigit::from_uint(n as uint) {
             (0,  0)  => Zero::zero(),
-            (0,  n0) => BigUint::new(~[n0]),
-            (n1, n0) => BigUint::new(~[n0, n1])
+            (0,  n0) => BigUint::new(vec!(n0)),
+            (n1, n0) => BigUint::new(vec!(n0, n1))
         };
         Some(n)
     }
@@ -662,13 +689,15 @@ impl ToStrRadix for BigUint {
         assert!(1 < radix && radix <= 16);
         let (base, max_len) = get_radix_base(radix);
         if base == BigDigit::base {
-            return fill_concat(self.data, radix, max_len)
+            return fill_concat(self.data.as_slice(), radix, max_len)
         }
-        return fill_concat(convert_base((*self).clone(), base), radix, max_len);
+        return fill_concat(convert_base((*self).clone(), base).as_slice(),
+                           radix,
+                           max_len);
 
-        fn convert_base(n: BigUint, base: uint) -> ~[BigDigit] {
+        fn convert_base(n: BigUint, base: uint) -> Vec<BigDigit> {
             let divider    = FromPrimitive::from_uint(base).unwrap();
-            let mut result = ~[];
+            let mut result = Vec::new();
             let mut m      = n;
             while m >= divider {
                 let (d, m0) = m.div_mod_floor(&divider);
@@ -706,7 +735,7 @@ impl FromStrRadix for BigUint {
 impl BigUint {
     /// Creates and initializes a `BigUint`.
     #[inline]
-    pub fn new(v: ~[BigDigit]) -> BigUint {
+    pub fn new(v: Vec<BigDigit> ) -> BigUint {
         // omit trailing zeros
         let new_len = v.iter().rposition(|n| *n != 0).map_or(0, |p| p + 1);
 
@@ -719,7 +748,7 @@ impl BigUint {
     /// Creates and initializes a `BigUint`.
     #[inline]
     pub fn from_slice(slice: &[BigDigit]) -> BigUint {
-        return BigUint::new(slice.to_owned());
+        return BigUint::new(Vec::from_slice(slice));
     }
 
     /// Creates and initializes a `BigUint`.
@@ -764,8 +793,9 @@ impl BigUint {
     fn shl_unit(&self, n_unit: uint) -> BigUint {
         if n_unit == 0 || self.is_zero() { return (*self).clone(); }
 
-        return BigUint::new(vec::from_elem(n_unit, ZERO_BIG_DIGIT)
-                            + self.data);
+        return BigUint::new(vec_ng::append(Vec::from_elem(n_unit,
+                                                          ZERO_BIG_DIGIT),
+                                           self.data.as_slice()));
     }
 
     #[inline]
@@ -779,7 +809,7 @@ impl BigUint {
             );
             carry = hi;
             lo
-        }).collect::<~[BigDigit]>();
+        }).collect::<Vec<BigDigit> >();
         if carry != 0 { shifted.push(carry); }
         return BigUint::new(shifted);
     }
@@ -798,7 +828,7 @@ impl BigUint {
         if n_bits == 0 || self.data.is_empty() { return (*self).clone(); }
 
         let mut borrow = 0;
-        let mut shifted_rev = vec::with_capacity(self.data.len());
+        let mut shifted_rev = Vec::with_capacity(self.data.len());
         for elem in self.data.rev_iter() {
             shifted_rev.push((*elem >> n_bits) | borrow);
             borrow = *elem << (BigDigit::bits - n_bits);
@@ -1351,7 +1381,7 @@ pub trait RandBigInt {
 impl<R: Rng> RandBigInt for R {
     fn gen_biguint(&mut self, bit_size: uint) -> BigUint {
         let (digits, rem) = bit_size.div_rem(&BigDigit::bits);
-        let mut data = vec::with_capacity(digits+1);
+        let mut data = Vec::with_capacity(digits+1);
         for _ in range(0, digits) {
             data.push(self.gen());
         }
@@ -1414,7 +1444,7 @@ impl<R: Rng> RandBigInt for R {
 impl BigInt {
     /// Creates and initializes a BigInt.
     #[inline]
-    pub fn new(sign: Sign, v: ~[BigDigit]) -> BigInt {
+    pub fn new(sign: Sign, v: Vec<BigDigit> ) -> BigInt {
         BigInt::from_biguint(sign, BigUint::new(v))
     }
 
@@ -1473,12 +1503,12 @@ mod biguint_tests {
     use std::rand::{task_rng};
     use std::str;
     use std::u64;
-    use std::vec;
+    use std::vec_ng::Vec;
 
     #[test]
     fn test_from_slice() {
         fn check(slice: &[BigDigit], data: &[BigDigit]) {
-            assert!(data == BigUint::from_slice(slice).data);
+            assert!(data == BigUint::from_slice(slice).data.as_slice());
         }
         check([1], [1]);
         check([0, 0, 0], []);
@@ -1490,8 +1520,8 @@ mod biguint_tests {
 
     #[test]
     fn test_cmp() {
-        let data: ~[BigUint] = [ &[], &[1], &[2], &[-1], &[0, 1], &[2, 1], &[1, 1, 1]  ]
-            .map(|v| BigUint::from_slice(*v));
+        let data: Vec<BigUint> = [ &[], &[1], &[2], &[-1], &[0, 1], &[2, 1], &[1, 1, 1]  ]
+            .iter().map(|v| BigUint::from_slice(*v)).collect();
         for (i, ni) in data.iter().enumerate() {
             for (j0, nj) in data.slice(i, data.len()).iter().enumerate() {
                 let j = j0 + i;
@@ -1527,44 +1557,44 @@ mod biguint_tests {
 
     #[test]
     fn test_bitand() {
-        fn check(left: ~[BigDigit],
-                 right: ~[BigDigit],
-                 expected: ~[BigDigit]) {
+        fn check(left: Vec<BigDigit> ,
+                 right: Vec<BigDigit> ,
+                 expected: Vec<BigDigit> ) {
             assert_eq!(BigUint::new(left) & BigUint::new(right),
                        BigUint::new(expected));
         }
-        check(~[], ~[], ~[]);
-        check(~[268, 482, 17],
-              ~[964, 54],
-              ~[260, 34]);
+        check(Vec::new(), Vec::new(), Vec::new());
+        check(vec!(268, 482, 17),
+              vec!(964, 54),
+              vec!(260, 34));
     }
 
     #[test]
     fn test_bitor() {
-        fn check(left: ~[BigDigit],
-                 right: ~[BigDigit],
-                 expected: ~[BigDigit]) {
+        fn check(left: Vec<BigDigit> ,
+                 right: Vec<BigDigit> ,
+                 expected: Vec<BigDigit> ) {
             assert_eq!(BigUint::new(left) | BigUint::new(right),
                        BigUint::new(expected));
         }
-        check(~[], ~[], ~[]);
-        check(~[268, 482, 17],
-              ~[964, 54],
-              ~[972, 502, 17]);
+        check(Vec::new(), Vec::new(), Vec::new());
+        check(vec!(268, 482, 17),
+              vec!(964, 54),
+              vec!(972, 502, 17));
     }
 
     #[test]
     fn test_bitxor() {
-        fn check(left: ~[BigDigit],
-                 right: ~[BigDigit],
-                 expected: ~[BigDigit]) {
+        fn check(left: Vec<BigDigit> ,
+                 right: Vec<BigDigit> ,
+                 expected: Vec<BigDigit> ) {
             assert_eq!(BigUint::new(left) ^ BigUint::new(right),
                        BigUint::new(expected));
         }
-        check(~[], ~[], ~[]);
-        check(~[268, 482, 17],
-              ~[964, 54],
-              ~[712, 468, 17]);
+        check(Vec::new(), Vec::new(), Vec::new());
+        check(vec!(268, 482, 17),
+              vec!(964, 54),
+              vec!(712, 468, 17));
     }
 
     #[test]
@@ -1657,20 +1687,20 @@ mod biguint_tests {
         check(One::one(), 1);
         check(i64::MAX.to_biguint().unwrap(), i64::MAX);
 
-        check(BigUint::new(~[                   ]), 0);
-        check(BigUint::new(~[ 1                 ]), (1 << (0*BigDigit::bits)));
-        check(BigUint::new(~[-1                 ]), (1 << (1*BigDigit::bits)) - 1);
-        check(BigUint::new(~[ 0,  1             ]), (1 << (1*BigDigit::bits)));
-        check(BigUint::new(~[-1, -1             ]), (1 << (2*BigDigit::bits)) - 1);
-        check(BigUint::new(~[ 0,  0,  1         ]), (1 << (2*BigDigit::bits)));
-        check(BigUint::new(~[-1, -1, -1         ]), (1 << (3*BigDigit::bits)) - 1);
-        check(BigUint::new(~[ 0,  0,  0,  1     ]), (1 << (3*BigDigit::bits)));
-        check(BigUint::new(~[-1, -1, -1, -1 >> 1]), i64::MAX);
+        check(BigUint::new(Vec::new(                   )), 0);
+        check(BigUint::new(vec!( 1                 )), (1 << (0*BigDigit::bits)));
+        check(BigUint::new(vec!(-1                 )), (1 << (1*BigDigit::bits)) - 1);
+        check(BigUint::new(vec!( 0,  1             )), (1 << (1*BigDigit::bits)));
+        check(BigUint::new(vec!(-1, -1             )), (1 << (2*BigDigit::bits)) - 1);
+        check(BigUint::new(vec!( 0,  0,  1         )), (1 << (2*BigDigit::bits)));
+        check(BigUint::new(vec!(-1, -1, -1         )), (1 << (3*BigDigit::bits)) - 1);
+        check(BigUint::new(vec!( 0,  0,  0,  1     )), (1 << (3*BigDigit::bits)));
+        check(BigUint::new(vec!(-1, -1, -1, -1 >> 1)), i64::MAX);
 
         assert_eq!(i64::MIN.to_biguint(), None);
-        assert_eq!(BigUint::new(~[-1, -1, -1, -1    ]).to_i64(), None);
-        assert_eq!(BigUint::new(~[ 0,  0,  0,  0,  1]).to_i64(), None);
-        assert_eq!(BigUint::new(~[-1, -1, -1, -1, -1]).to_i64(), None);
+        assert_eq!(BigUint::new(vec!(-1, -1, -1, -1    )).to_i64(), None);
+        assert_eq!(BigUint::new(vec!( 0,  0,  0,  0,  1)).to_i64(), None);
+        assert_eq!(BigUint::new(vec!(-1, -1, -1, -1, -1)).to_i64(), None);
     }
 
     #[cfg(target_word_size = "64")]
@@ -1686,16 +1716,16 @@ mod biguint_tests {
         check(One::one(), 1);
         check(i64::MAX.to_biguint().unwrap(), i64::MAX);
 
-        check(BigUint::new(~[           ]), 0);
-        check(BigUint::new(~[ 1         ]), (1 << (0*BigDigit::bits)));
-        check(BigUint::new(~[-1         ]), (1 << (1*BigDigit::bits)) - 1);
-        check(BigUint::new(~[ 0,  1     ]), (1 << (1*BigDigit::bits)));
-        check(BigUint::new(~[-1, -1 >> 1]), i64::MAX);
+        check(BigUint::new(Vec::new(           )), 0);
+        check(BigUint::new(vec!( 1         )), (1 << (0*BigDigit::bits)));
+        check(BigUint::new(vec!(-1         )), (1 << (1*BigDigit::bits)) - 1);
+        check(BigUint::new(vec!( 0,  1     )), (1 << (1*BigDigit::bits)));
+        check(BigUint::new(vec!(-1, -1 >> 1)), i64::MAX);
 
         assert_eq!(i64::MIN.to_biguint(), None);
-        assert_eq!(BigUint::new(~[-1, -1    ]).to_i64(), None);
-        assert_eq!(BigUint::new(~[ 0,  0,  1]).to_i64(), None);
-        assert_eq!(BigUint::new(~[-1, -1, -1]).to_i64(), None);
+        assert_eq!(BigUint::new(vec!(-1, -1    )).to_i64(), None);
+        assert_eq!(BigUint::new(vec!( 0,  0,  1)).to_i64(), None);
+        assert_eq!(BigUint::new(vec!(-1, -1, -1)).to_i64(), None);
     }
 
     #[cfg(target_word_size = "32")]
@@ -1712,18 +1742,18 @@ mod biguint_tests {
         check(u64::MIN.to_biguint().unwrap(), u64::MIN);
         check(u64::MAX.to_biguint().unwrap(), u64::MAX);
 
-        check(BigUint::new(~[              ]), 0);
-        check(BigUint::new(~[ 1            ]), (1 << (0*BigDigit::bits)));
-        check(BigUint::new(~[-1            ]), (1 << (1*BigDigit::bits)) - 1);
-        check(BigUint::new(~[ 0,  1        ]), (1 << (1*BigDigit::bits)));
-        check(BigUint::new(~[-1, -1        ]), (1 << (2*BigDigit::bits)) - 1);
-        check(BigUint::new(~[ 0,  0,  1    ]), (1 << (2*BigDigit::bits)));
-        check(BigUint::new(~[-1, -1, -1    ]), (1 << (3*BigDigit::bits)) - 1);
-        check(BigUint::new(~[ 0,  0,  0,  1]), (1 << (3*BigDigit::bits)));
-        check(BigUint::new(~[-1, -1, -1, -1]), u64::MAX);
+        check(BigUint::new(Vec::new(              )), 0);
+        check(BigUint::new(vec!( 1            )), (1 << (0*BigDigit::bits)));
+        check(BigUint::new(vec!(-1            )), (1 << (1*BigDigit::bits)) - 1);
+        check(BigUint::new(vec!( 0,  1        )), (1 << (1*BigDigit::bits)));
+        check(BigUint::new(vec!(-1, -1        )), (1 << (2*BigDigit::bits)) - 1);
+        check(BigUint::new(vec!( 0,  0,  1    )), (1 << (2*BigDigit::bits)));
+        check(BigUint::new(vec!(-1, -1, -1    )), (1 << (3*BigDigit::bits)) - 1);
+        check(BigUint::new(vec!( 0,  0,  0,  1)), (1 << (3*BigDigit::bits)));
+        check(BigUint::new(vec!(-1, -1, -1, -1)), u64::MAX);
 
-        assert_eq!(BigUint::new(~[ 0,  0,  0,  0,  1]).to_u64(), None);
-        assert_eq!(BigUint::new(~[-1, -1, -1, -1, -1]).to_u64(), None);
+        assert_eq!(BigUint::new(vec!( 0,  0,  0,  0,  1)).to_u64(), None);
+        assert_eq!(BigUint::new(vec!(-1, -1, -1, -1, -1)).to_u64(), None);
     }
 
     #[cfg(target_word_size = "64")]
@@ -1740,14 +1770,14 @@ mod biguint_tests {
         check(u64::MIN.to_biguint().unwrap(), u64::MIN);
         check(u64::MAX.to_biguint().unwrap(), u64::MAX);
 
-        check(BigUint::new(~[      ]), 0);
-        check(BigUint::new(~[ 1    ]), (1 << (0*BigDigit::bits)));
-        check(BigUint::new(~[-1    ]), (1 << (1*BigDigit::bits)) - 1);
-        check(BigUint::new(~[ 0,  1]), (1 << (1*BigDigit::bits)));
-        check(BigUint::new(~[-1, -1]), u64::MAX);
+        check(BigUint::new(Vec::new(      )), 0);
+        check(BigUint::new(vec!( 1    )), (1 << (0*BigDigit::bits)));
+        check(BigUint::new(vec!(-1    )), (1 << (1*BigDigit::bits)) - 1);
+        check(BigUint::new(vec!( 0,  1)), (1 << (1*BigDigit::bits)));
+        check(BigUint::new(vec!(-1, -1)), u64::MAX);
 
-        assert_eq!(BigUint::new(~[ 0,  0,  1]).to_u64(), None);
-        assert_eq!(BigUint::new(~[-1, -1, -1]).to_u64(), None);
+        assert_eq!(BigUint::new(vec!( 0,  0,  1)).to_u64(), None);
+        assert_eq!(BigUint::new(vec!(-1, -1, -1)).to_u64(), None);
     }
 
     #[test]
@@ -1757,8 +1787,8 @@ mod biguint_tests {
             assert_eq!(n.to_bigint().unwrap().to_biguint().unwrap(), n);
         }
         check(Zero::zero(), Zero::zero());
-        check(BigUint::new(~[1,2,3]),
-              BigInt::from_biguint(Plus, BigUint::new(~[1,2,3])));
+        check(BigUint::new(vec!(1,2,3)),
+              BigInt::from_biguint(Plus, BigUint::new(vec!(1,2,3))));
     }
 
     static sum_triples: &'static [(&'static [BigDigit],
@@ -2017,11 +2047,11 @@ mod biguint_tests {
         assert!(((one << 64) + one).is_odd());
     }
 
-    fn to_str_pairs() -> ~[ (BigUint, ~[(uint, ~str)]) ] {
+    fn to_str_pairs() -> Vec<(BigUint, Vec<(uint, ~str)> ) > {
         let bits = BigDigit::bits;
-        ~[( Zero::zero(), ~[
+        vec!(( Zero::zero(), vec!(
             (2, ~"0"), (3, ~"0")
-        ]), ( BigUint::from_slice([ 0xff ]), ~[
+        )), ( BigUint::from_slice([ 0xff ]), vec!(
             (2,  ~"11111111"),
             (3,  ~"100110"),
             (4,  ~"3333"),
@@ -2037,41 +2067,48 @@ mod biguint_tests {
             (14, ~"143"),
             (15, ~"120"),
             (16, ~"ff")
-        ]), ( BigUint::from_slice([ 0xfff ]), ~[
+        )), ( BigUint::from_slice([ 0xfff ]), vec!(
             (2,  ~"111111111111"),
             (4,  ~"333333"),
             (16, ~"fff")
-        ]), ( BigUint::from_slice([ 1, 2 ]), ~[
+        )), ( BigUint::from_slice([ 1, 2 ]), vec!(
             (2,
              ~"10" +
-             str::from_chars(vec::from_elem(bits - 1, '0')) + "1"),
+             str::from_chars(Vec::from_elem(bits - 1, '0').as_slice()) + "1"),
             (4,
              ~"2" +
-             str::from_chars(vec::from_elem(bits / 2 - 1, '0')) + "1"),
+             str::from_chars(Vec::from_elem(bits / 2 - 1, '0').as_slice()) +
+                "1"),
             (10, match bits {
                 32 => ~"8589934593", 16 => ~"131073", _ => fail!()
             }),
             (16,
              ~"2" +
-             str::from_chars(vec::from_elem(bits / 4 - 1, '0')) + "1")
-        ]), ( BigUint::from_slice([ 1, 2, 3 ]), ~[
+             str::from_chars(Vec::from_elem(bits / 4 - 1, '0').as_slice()) +
+                "1")
+        )), ( BigUint::from_slice([ 1, 2, 3 ]), vec!(
             (2,
              ~"11" +
-             str::from_chars(vec::from_elem(bits - 2, '0')) + "10" +
-             str::from_chars(vec::from_elem(bits - 1, '0')) + "1"),
+             str::from_chars(Vec::from_elem(bits - 2, '0').as_slice()) + "10"
+                + str::from_chars(Vec::from_elem(bits - 1, '0').as_slice()) +
+                "1"),
             (4,
              ~"3" +
-             str::from_chars(vec::from_elem(bits / 2 - 1, '0')) + "2" +
-             str::from_chars(vec::from_elem(bits / 2 - 1, '0')) + "1"),
+             str::from_chars(Vec::from_elem(bits / 2 - 1, '0').as_slice()) +
+                "2" +
+                 str::from_chars(Vec::from_elem(bits / 2 - 1,
+                                                '0').as_slice()) + "1"),
             (10, match bits {
                 32 => ~"55340232229718589441",
                 16 => ~"12885032961",
                 _ => fail!()
             }),
             (16, ~"3" +
-             str::from_chars(vec::from_elem(bits / 4 - 1, '0')) + "2" +
-             str::from_chars(vec::from_elem(bits / 4 - 1, '0')) + "1")
-        ]) ]
+             str::from_chars(Vec::from_elem(bits / 4 - 1, '0').as_slice()) +
+             "2" +
+             str::from_chars(Vec::from_elem(bits / 4 - 1, '0').as_slice()) +
+             "1")
+        )) )
     }
 
     #[test]
@@ -2134,7 +2171,7 @@ mod biguint_tests {
 
     #[test]
     fn test_bits() {
-        assert_eq!(BigUint::new(~[0,0,0,0]).bits(), 0);
+        assert_eq!(BigUint::new(vec!(0,0,0,0)).bits(), 0);
         let n: BigUint = FromPrimitive::from_uint(0).unwrap();
         assert_eq!(n.bits(), 0);
         let n: BigUint = FromPrimitive::from_uint(1).unwrap();
@@ -2207,6 +2244,7 @@ mod bigint_tests {
     use std::num::{ToPrimitive, FromPrimitive};
     use std::rand::{task_rng};
     use std::u64;
+    use std::vec_ng::Vec;
 
     #[test]
     fn test_from_biguint() {
@@ -2224,12 +2262,14 @@ mod bigint_tests {
     #[test]
     fn test_cmp() {
         let vs = [ &[2 as BigDigit], &[1, 1], &[2, 1], &[1, 1, 1] ];
-        let mut nums = ~[];
+        let mut nums = Vec::new();
         for s in vs.rev_iter() {
             nums.push(BigInt::from_slice(Minus, *s));
         }
         nums.push(Zero::zero());
-        nums.push_all_move(vs.map(|s| BigInt::from_slice(Plus, *s)));
+        nums.push_all_move(vs.iter()
+                             .map(|s| BigInt::from_slice(Plus, *s))
+                             .collect());
 
         for (i, ni) in nums.iter().enumerate() {
             for (j0, nj) in nums.slice(i, nums.len()).iter().enumerate() {
@@ -2282,15 +2322,20 @@ mod bigint_tests {
             None);
 
         assert_eq!(
-            BigInt::from_biguint(Plus,  BigUint::new(~[1, 2, 3, 4, 5])).to_i64(),
+            BigInt::from_biguint(Plus,  BigUint::new(vec!(1, 2, 3, 4, 5))).to_i64(),
             None);
 
         assert_eq!(
-            BigInt::from_biguint(Minus, BigUint::new(~[1, 0, 0, 1<<(BigDigit::bits-1)])).to_i64(),
+            BigInt::from_biguint(
+                Minus,
+                BigUint::new(vec!(1,
+                                  0,
+                                  0,
+                                  1<<(BigDigit::bits-1)))).to_i64(),
             None);
 
         assert_eq!(
-            BigInt::from_biguint(Minus, BigUint::new(~[1, 2, 3, 4, 5])).to_i64(),
+            BigInt::from_biguint(Minus, BigUint::new(vec!(1, 2, 3, 4, 5))).to_i64(),
             None);
     }
 
@@ -2308,12 +2353,12 @@ mod bigint_tests {
         check(u64::MAX.to_bigint().unwrap(), u64::MAX);
 
         assert_eq!(
-            BigInt::from_biguint(Plus, BigUint::new(~[1, 2, 3, 4, 5])).to_u64(),
+            BigInt::from_biguint(Plus, BigUint::new(vec!(1, 2, 3, 4, 5))).to_u64(),
             None);
 
         let max_value: BigUint = FromPrimitive::from_u64(u64::MAX).unwrap();
         assert_eq!(BigInt::from_biguint(Minus, max_value).to_u64(), None);
-        assert_eq!(BigInt::from_biguint(Minus, BigUint::new(~[1, 2, 3, 4, 5])).to_u64(), None);
+        assert_eq!(BigInt::from_biguint(Minus, BigUint::new(vec!(1, 2, 3, 4, 5))).to_u64(), None);
     }
 
     #[test]
@@ -2325,11 +2370,11 @@ mod bigint_tests {
         let zero: BigInt = Zero::zero();
         let unsigned_zero: BigUint = Zero::zero();
         let positive = BigInt::from_biguint(
-            Plus, BigUint::new(~[1,2,3]));
+            Plus, BigUint::new(vec!(1,2,3)));
         let negative = -positive;
 
         check(zero, unsigned_zero);
-        check(positive, BigUint::new(~[1,2,3]));
+        check(positive, BigUint::new(vec!(1,2,3)));
 
         assert_eq!(negative.to_biguint(), None);
     }
@@ -2727,10 +2772,10 @@ mod bigint_tests {
 
     #[test]
     fn test_neg() {
-        assert!(-BigInt::new(Plus,  ~[1, 1, 1]) ==
-            BigInt::new(Minus, ~[1, 1, 1]));
-        assert!(-BigInt::new(Minus, ~[1, 1, 1]) ==
-            BigInt::new(Plus,  ~[1, 1, 1]));
+        assert!(-BigInt::new(Plus,  vec!(1, 1, 1)) ==
+            BigInt::new(Minus, vec!(1, 1, 1)));
+        assert!(-BigInt::new(Minus, vec!(1, 1, 1)) ==
+            BigInt::new(Plus,  vec!(1, 1, 1)));
         let zero: BigInt = Zero::zero();
         assert_eq!(-zero, zero);
     }
diff --git a/src/libnum/rational.rs b/src/libnum/rational.rs
index 79ff54cb90c68..ebc48fe1b697d 100644
--- a/src/libnum/rational.rs
+++ b/src/libnum/rational.rs
@@ -16,6 +16,7 @@ use std::cmp;
 use std::fmt;
 use std::from_str::FromStr;
 use std::num::{Zero,One,ToStrRadix,FromStrRadix,Round};
+use std::vec_ng::Vec;
 use bigint::{BigInt, BigUint, Sign, Plus, Minus};
 
 /// Represents the ratio between 2 numbers.
@@ -295,13 +296,13 @@ impl<T: FromStr + Clone + Integer + Ord>
     FromStr for Ratio<T> {
     /// Parses `numer/denom`.
     fn from_str(s: &str) -> Option<Ratio<T>> {
-        let split: ~[&str] = s.splitn('/', 1).collect();
+        let split: Vec<&str> = s.splitn('/', 1).collect();
         if split.len() < 2 {
             return None
         }
-        let a_option: Option<T> = FromStr::from_str(split[0]);
+        let a_option: Option<T> = FromStr::from_str(*split.get(0));
         a_option.and_then(|a| {
-            let b_option: Option<T> = FromStr::from_str(split[1]);
+            let b_option: Option<T> = FromStr::from_str(*split.get(1));
             b_option.and_then(|b| {
                 Some(Ratio::new(a.clone(), b.clone()))
             })
@@ -312,15 +313,16 @@ impl<T: FromStrRadix + Clone + Integer + Ord>
     FromStrRadix for Ratio<T> {
     /// Parses `numer/denom` where the numbers are in base `radix`.
     fn from_str_radix(s: &str, radix: uint) -> Option<Ratio<T>> {
-        let split: ~[&str] = s.splitn('/', 1).collect();
+        let split: Vec<&str> = s.splitn('/', 1).collect();
         if split.len() < 2 {
             None
         } else {
-            let a_option: Option<T> = FromStrRadix::from_str_radix(split[0],
-                                                                   radix);
+            let a_option: Option<T> = FromStrRadix::from_str_radix(
+                *split.get(0),
+                radix);
             a_option.and_then(|a| {
                 let b_option: Option<T> =
-                    FromStrRadix::from_str_radix(split[1], radix);
+                    FromStrRadix::from_str_radix(*split.get(1), radix);
                 b_option.and_then(|b| {
                     Some(Ratio::new(a.clone(), b.clone()))
                 })
diff --git a/src/librustc/driver/driver.rs b/src/librustc/driver/driver.rs
index 2a92ef496c7be..5c234c3747bae 100644
--- a/src/librustc/driver/driver.rs
+++ b/src/librustc/driver/driver.rs
@@ -798,7 +798,7 @@ pub fn build_session_options(matches: &getopts::Matches)
         let flags = vec_ng::append(matches.opt_strs(level_short)
                                           .move_iter()
                                           .collect(),
-                                   matches.opt_strs(level_name));
+                                   matches.opt_strs(level_name).as_slice());
         for lint_name in flags.iter() {
             let lint_name = lint_name.replace("-", "_");
             match lint_dict.find_equiv(&lint_name) {
diff --git a/src/librustc/lib.rs b/src/librustc/lib.rs
index af0acee07fd21..ee9fbd26f2031 100644
--- a/src/librustc/lib.rs
+++ b/src/librustc/lib.rs
@@ -239,7 +239,7 @@ pub fn run_compiler(args: &[~str]) {
     let lint_flags = vec_ng::append(matches.opt_strs("W")
                                            .move_iter()
                                            .collect(),
-                                    matches.opt_strs("warn"));
+                                    matches.opt_strs("warn").as_slice());
     if lint_flags.iter().any(|x| x == &~"help") {
         describe_warnings();
         return;
@@ -269,7 +269,7 @@ pub fn run_compiler(args: &[~str]) {
     let (input, input_file_path) = match matches.free.len() {
       0u => d::early_error("no input filename given"),
       1u => {
-        let ifile = matches.free[0].as_slice();
+        let ifile = matches.free.get(0).as_slice();
         if ifile == "-" {
             let contents = io::stdin().read_to_end().unwrap();
             let src = str::from_utf8_owned(contents).unwrap();
diff --git a/src/librustdoc/clean.rs b/src/librustdoc/clean.rs
index f26977e211ca2..6d1bf9bb464fe 100644
--- a/src/librustdoc/clean.rs
+++ b/src/librustdoc/clean.rs
@@ -35,12 +35,6 @@ pub trait Clean<T> {
     fn clean(&self) -> T;
 }
 
-impl<T: Clean<U>, U> Clean<~[U]> for ~[T] {
-    fn clean(&self) -> ~[U] {
-        self.iter().map(|x| x.clean()).collect()
-    }
-}
-
 impl<T: Clean<U>, U> Clean<Vec<U>> for Vec<T> {
     fn clean(&self) -> Vec<U> {
         self.iter().map(|x| x.clean()).collect()
@@ -75,7 +69,7 @@ impl<T: Clean<U>, U> Clean<Vec<U>> for syntax::opt_vec::OptVec<T> {
 pub struct Crate {
     name: ~str,
     module: Option<Item>,
-    externs: ~[(ast::CrateNum, ExternalCrate)],
+    externs: Vec<(ast::CrateNum, ExternalCrate)> ,
 }
 
 impl<'a> Clean<Crate> for visit_ast::RustdocVisitor<'a> {
@@ -83,13 +77,13 @@ impl<'a> Clean<Crate> for visit_ast::RustdocVisitor<'a> {
         use syntax::attr::find_crateid;
         let cx = local_data::get(super::ctxtkey, |x| *x.unwrap());
 
-        let mut externs = ~[];
+        let mut externs = Vec::new();
         cx.sess.cstore.iter_crate_data(|n, meta| {
             externs.push((n, meta.clean()));
         });
 
         Crate {
-            name: match find_crateid(self.attrs) {
+            name: match find_crateid(self.attrs.as_slice()) {
                 Some(n) => n.name,
                 None => fail!("rustdoc requires a `crate_id` crate attribute"),
             },
@@ -102,7 +96,7 @@ impl<'a> Clean<Crate> for visit_ast::RustdocVisitor<'a> {
 #[deriving(Clone, Encodable, Decodable)]
 pub struct ExternalCrate {
     name: ~str,
-    attrs: ~[Attribute],
+    attrs: Vec<Attribute> ,
 }
 
 impl Clean<ExternalCrate> for cstore::crate_metadata {
@@ -125,7 +119,7 @@ pub struct Item {
     source: Span,
     /// Not everything has a name. E.g., impls
     name: Option<~str>,
-    attrs: ~[Attribute],
+    attrs: Vec<Attribute> ,
     inner: ItemEnum,
     visibility: Option<Visibility>,
     id: ast::NodeId,
@@ -195,7 +189,7 @@ pub enum ItemEnum {
 
 #[deriving(Clone, Encodable, Decodable)]
 pub struct Module {
-    items: ~[Item],
+    items: Vec<Item> ,
     is_crate: bool,
 }
 
@@ -206,13 +200,13 @@ impl Clean<Item> for doctree::Module {
         } else {
             ~""
         };
-        let mut foreigns = ~[];
+        let mut foreigns = Vec::new();
         for subforeigns in self.foreigns.clean().move_iter() {
             for foreign in subforeigns.move_iter() {
                 foreigns.push(foreign)
             }
         }
-        let items: ~[~[Item]] = ~[
+        let items: Vec<Vec<Item> > = vec!(
             self.structs.clean().move_iter().collect(),
             self.enums.clean().move_iter().collect(),
             self.fns.clean().move_iter().collect(),
@@ -224,7 +218,7 @@ impl Clean<Item> for doctree::Module {
             self.impls.clean().move_iter().collect(),
             self.view_items.clean().move_iter().collect(),
             self.macros.clean().move_iter().collect()
-        ];
+        );
         Item {
             name: Some(name),
             attrs: self.attrs.clean(),
@@ -233,7 +227,9 @@ impl Clean<Item> for doctree::Module {
             id: self.id,
             inner: ModuleItem(Module {
                is_crate: self.is_crate,
-               items: items.concat_vec(),
+               items: items.iter()
+                           .flat_map(|x| x.iter().map(|x| (*x).clone()))
+                           .collect(),
             })
         }
     }
@@ -242,7 +238,7 @@ impl Clean<Item> for doctree::Module {
 #[deriving(Clone, Encodable, Decodable)]
 pub enum Attribute {
     Word(~str),
-    List(~str, ~[Attribute]),
+    List(~str, Vec<Attribute> ),
     NameValue(~str, ~str)
 }
 
@@ -292,8 +288,7 @@ impl<'a> attr::AttrMetaMethods for &'a Attribute {
 pub struct TyParam {
     name: ~str,
     id: ast::NodeId,
-    bounds: ~[TyParamBound]
-}
+    bounds: Vec<TyParamBound> }
 
 impl Clean<TyParam> for ast::TyParam {
     fn clean(&self) -> TyParam {
@@ -340,9 +335,8 @@ impl Clean<Lifetime> for ast::Lifetime {
 // maybe use a Generic enum and use ~[Generic]?
 #[deriving(Clone, Encodable, Decodable)]
 pub struct Generics {
-    lifetimes: ~[Lifetime],
-    type_params: ~[TyParam]
-}
+    lifetimes: Vec<Lifetime> ,
+    type_params: Vec<TyParam> }
 
 impl Clean<Generics> for ast::Generics {
     fn clean(&self) -> Generics {
@@ -373,7 +367,7 @@ impl Clean<Item> for ast::Method {
             },
             output: (self.decl.output.clean()),
             cf: self.decl.cf.clean(),
-            attrs: ~[]
+            attrs: Vec::new()
         };
         Item {
             name: Some(self.ident.clean()),
@@ -411,7 +405,7 @@ impl Clean<Item> for ast::TypeMethod {
             },
             output: (self.decl.output.clean()),
             cf: self.decl.cf.clean(),
-            attrs: ~[]
+            attrs: Vec::new()
         };
         Item {
             name: Some(self.ident.clean()),
@@ -476,12 +470,11 @@ impl Clean<Item> for doctree::Function {
 pub struct ClosureDecl {
     sigil: ast::Sigil,
     region: Option<Lifetime>,
-    lifetimes: ~[Lifetime],
+    lifetimes: Vec<Lifetime> ,
     decl: FnDecl,
     onceness: ast::Onceness,
     purity: ast::Purity,
-    bounds: ~[TyParamBound]
-}
+    bounds: Vec<TyParamBound> }
 
 impl Clean<ClosureDecl> for ast::ClosureTy {
     fn clean(&self) -> ClosureDecl {
@@ -494,7 +487,7 @@ impl Clean<ClosureDecl> for ast::ClosureTy {
             purity: self.purity,
             bounds: match self.bounds {
                 Some(ref x) => x.clean().move_iter().collect(),
-                None        => ~[]
+                None        => Vec::new()
             },
         }
     }
@@ -505,12 +498,11 @@ pub struct FnDecl {
     inputs: Arguments,
     output: Type,
     cf: RetStyle,
-    attrs: ~[Attribute]
-}
+    attrs: Vec<Attribute> }
 
 #[deriving(Clone, Encodable, Decodable)]
 pub struct Arguments {
-    values: ~[Argument],
+    values: Vec<Argument> ,
 }
 
 impl Clean<FnDecl> for ast::FnDecl {
@@ -521,7 +513,7 @@ impl Clean<FnDecl> for ast::FnDecl {
             },
             output: (self.output.clean()),
             cf: self.cf.clean(),
-            attrs: ~[]
+            attrs: Vec::new()
         }
     }
 }
@@ -560,9 +552,9 @@ impl Clean<RetStyle> for ast::RetStyle {
 
 #[deriving(Clone, Encodable, Decodable)]
 pub struct Trait {
-    methods: ~[TraitMethod],
+    methods: Vec<TraitMethod> ,
     generics: Generics,
-    parents: ~[Type],
+    parents: Vec<Type> ,
 }
 
 impl Clean<Item> for doctree::Trait {
@@ -632,14 +624,14 @@ pub enum Type {
     /// structs/enums/traits (anything that'd be an ast::TyPath)
     ResolvedPath {
         path: Path,
-        typarams: Option<~[TyParamBound]>,
+        typarams: Option<Vec<TyParamBound> >,
         id: ast::NodeId,
     },
     /// Same as above, but only external variants
     ExternalPath {
         path: Path,
-        typarams: Option<~[TyParamBound]>,
-        fqn: ~[~str],
+        typarams: Option<Vec<TyParamBound> >,
+        fqn: Vec<~str> ,
         kind: TypeKind,
         krate: ast::CrateNum,
     },
@@ -655,7 +647,7 @@ pub enum Type {
     Closure(~ClosureDecl),
     /// extern "ABI" fn
     BareFunction(~BareFunctionDecl),
-    Tuple(~[Type]),
+    Tuple(Vec<Type> ),
     Vector(~Type),
     FixedVector(~Type, ~str),
     String,
@@ -746,7 +738,7 @@ impl Clean<Option<Visibility>> for ast::Visibility {
 pub struct Struct {
     struct_type: doctree::StructType,
     generics: Generics,
-    fields: ~[Item],
+    fields: Vec<Item> ,
     fields_stripped: bool,
 }
 
@@ -774,7 +766,7 @@ impl Clean<Item> for doctree::Struct {
 #[deriving(Clone, Encodable, Decodable)]
 pub struct VariantStruct {
     struct_type: doctree::StructType,
-    fields: ~[Item],
+    fields: Vec<Item> ,
     fields_stripped: bool,
 }
 
@@ -790,7 +782,7 @@ impl Clean<VariantStruct> for syntax::ast::StructDef {
 
 #[deriving(Clone, Encodable, Decodable)]
 pub struct Enum {
-    variants: ~[Item],
+    variants: Vec<Item> ,
     generics: Generics,
     variants_stripped: bool,
 }
@@ -835,7 +827,7 @@ impl Clean<Item> for doctree::Variant {
 #[deriving(Clone, Encodable, Decodable)]
 pub enum VariantKind {
     CLikeVariant,
-    TupleVariant(~[Type]),
+    TupleVariant(Vec<Type> ),
     StructVariant(VariantStruct),
 }
 
@@ -882,7 +874,7 @@ impl Clean<Span> for syntax::codemap::Span {
 #[deriving(Clone, Encodable, Decodable)]
 pub struct Path {
     global: bool,
-    segments: ~[PathSegment],
+    segments: Vec<PathSegment> ,
 }
 
 impl Clean<Path> for ast::Path {
@@ -897,8 +889,8 @@ impl Clean<Path> for ast::Path {
 #[deriving(Clone, Encodable, Decodable)]
 pub struct PathSegment {
     name: ~str,
-    lifetimes: ~[Lifetime],
-    types: ~[Type],
+    lifetimes: Vec<Lifetime> ,
+    types: Vec<Type> ,
 }
 
 impl Clean<PathSegment> for ast::PathSegment {
@@ -969,7 +961,7 @@ impl Clean<BareFunctionDecl> for ast::BareFnTy {
             purity: self.purity,
             generics: Generics {
                 lifetimes: self.lifetimes.clean().move_iter().collect(),
-                type_params: ~[],
+                type_params: Vec::new(),
             },
             decl: self.decl.clean(),
             abi: self.abis.to_str(),
@@ -1025,7 +1017,7 @@ pub struct Impl {
     generics: Generics,
     trait_: Option<Type>,
     for_: Type,
-    methods: ~[Item],
+    methods: Vec<Item> ,
 }
 
 impl Clean<Item> for doctree::Impl {
@@ -1069,7 +1061,7 @@ impl Clean<Item> for ast::ViewItem {
 #[deriving(Clone, Encodable, Decodable)]
 pub enum ViewItemInner {
     ExternCrate(~str, Option<~str>, ast::NodeId),
-    Import(~[ViewPath])
+    Import(Vec<ViewPath>)
 }
 
 impl Clean<ViewItemInner> for ast::ViewItem_ {
@@ -1096,7 +1088,7 @@ pub enum ViewPath {
     // use source::*;
     GlobImport(ImportSource),
     // use source::{a, b, c};
-    ImportList(ImportSource, ~[ViewListIdent]),
+    ImportList(ImportSource, Vec<ViewListIdent> ),
 }
 
 #[deriving(Clone, Encodable, Decodable)]
@@ -1231,7 +1223,7 @@ fn name_from_pat(p: &ast::Pat) -> ~str {
 }
 
 /// Given a Type, resolve it using the def_map
-fn resolve_type(path: Path, tpbs: Option<~[TyParamBound]>,
+fn resolve_type(path: Path, tpbs: Option<Vec<TyParamBound> >,
                 id: ast::NodeId) -> Type {
     let cx = local_data::get(super::ctxtkey, |x| *x.unwrap());
     let tycx = match cx.tycx {
@@ -1274,9 +1266,14 @@ fn resolve_type(path: Path, tpbs: Option<~[TyParamBound]>,
         ResolvedPath{ path: path, typarams: tpbs, id: def_id.node }
     } else {
         let fqn = csearch::get_item_path(tycx, def_id);
-        let fqn = fqn.move_iter().map(|i| i.to_str()).to_owned_vec();
-        ExternalPath{ path: path, typarams: tpbs, fqn: fqn, kind: kind,
-                      krate: def_id.krate }
+        let fqn = fqn.move_iter().map(|i| i.to_str()).collect();
+        ExternalPath {
+            path: path,
+            typarams: tpbs,
+            fqn: fqn,
+            kind: kind,
+            krate: def_id.krate,
+        }
     }
 }
 
diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs
index 58bed8a9df993..a629a8ef9742b 100644
--- a/src/librustdoc/core.rs
+++ b/src/librustdoc/core.rs
@@ -21,6 +21,7 @@ use syntax;
 use std::cell::RefCell;
 use std::os;
 use std::local_data;
+use std::vec_ng::Vec;
 use collections::HashSet;
 
 use visit_ast::RustdocVisitor;
@@ -39,8 +40,8 @@ pub struct CrateAnalysis {
 }
 
 /// Parses, resolves, and typechecks the given crate
-fn get_ast_and_resolve(cpath: &Path,
-                       libs: HashSet<Path>, cfgs: ~[~str]) -> (DocContext, CrateAnalysis) {
+fn get_ast_and_resolve(cpath: &Path, libs: HashSet<Path>, cfgs: Vec<~str>)
+                       -> (DocContext, CrateAnalysis) {
     use syntax::codemap::dummy_spanned;
     use rustc::driver::driver::{FileInput, build_configuration,
                                 phase_1_parse_input,
@@ -88,7 +89,8 @@ fn get_ast_and_resolve(cpath: &Path,
             });
 }
 
-pub fn run_core (libs: HashSet<Path>, cfgs: ~[~str], path: &Path) -> (clean::Crate, CrateAnalysis) {
+pub fn run_core(libs: HashSet<Path>, cfgs: Vec<~str>, path: &Path)
+                -> (clean::Crate, CrateAnalysis) {
     let (ctxt, analysis) = get_ast_and_resolve(path, libs, cfgs);
     let ctxt = @ctxt;
     local_data::set(super::ctxtkey, ctxt);
diff --git a/src/librustdoc/doctree.rs b/src/librustdoc/doctree.rs
index c5849f5aa28b6..8dbe85571bd71 100644
--- a/src/librustdoc/doctree.rs
+++ b/src/librustdoc/doctree.rs
@@ -11,6 +11,7 @@
 //! This module is used to store stuff from Rust's AST in a more convenient
 //! manner (and with prettier names) before cleaning.
 
+use std::vec_ng::Vec;
 use syntax;
 use syntax::codemap::Span;
 use syntax::ast;
@@ -18,21 +19,21 @@ use syntax::ast::{Ident, NodeId};
 
 pub struct Module {
     name: Option<Ident>,
-    attrs: ~[ast::Attribute],
+    attrs: Vec<ast::Attribute> ,
     where: Span,
-    structs: ~[Struct],
-    enums: ~[Enum],
-    fns: ~[Function],
-    mods: ~[Module],
+    structs: Vec<Struct> ,
+    enums: Vec<Enum> ,
+    fns: Vec<Function> ,
+    mods: Vec<Module> ,
     id: NodeId,
-    typedefs: ~[Typedef],
-    statics: ~[Static],
-    traits: ~[Trait],
+    typedefs: Vec<Typedef> ,
+    statics: Vec<Static> ,
+    traits: Vec<Trait> ,
     vis: ast::Visibility,
-    impls: ~[Impl],
-    foreigns: ~[ast::ForeignMod],
-    view_items: ~[ast::ViewItem],
-    macros: ~[Macro],
+    impls: Vec<Impl> ,
+    foreigns: Vec<ast::ForeignMod> ,
+    view_items: Vec<ast::ViewItem> ,
+    macros: Vec<Macro> ,
     is_crate: bool,
 }
 
@@ -43,18 +44,18 @@ impl Module {
             id: 0,
             vis: ast::Private,
             where: syntax::codemap::DUMMY_SP,
-            attrs      : ~[],
-            structs    : ~[],
-            enums      : ~[],
-            fns        : ~[],
-            mods       : ~[],
-            typedefs   : ~[],
-            statics    : ~[],
-            traits     : ~[],
-            impls      : ~[],
-            view_items : ~[],
-            foreigns   : ~[],
-            macros     : ~[],
+            attrs      : Vec::new(),
+            structs    : Vec::new(),
+            enums      : Vec::new(),
+            fns        : Vec::new(),
+            mods       : Vec::new(),
+            typedefs   : Vec::new(),
+            statics    : Vec::new(),
+            traits     : Vec::new(),
+            impls      : Vec::new(),
+            view_items : Vec::new(),
+            foreigns   : Vec::new(),
+            macros     : Vec::new(),
             is_crate   : false,
         }
     }
@@ -83,16 +84,16 @@ pub struct Struct {
     struct_type: StructType,
     name: Ident,
     generics: ast::Generics,
-    attrs: ~[ast::Attribute],
-    fields: ~[ast::StructField],
+    attrs: Vec<ast::Attribute> ,
+    fields: Vec<ast::StructField> ,
     where: Span,
 }
 
 pub struct Enum {
     vis: ast::Visibility,
-    variants: ~[Variant],
+    variants: Vec<Variant> ,
     generics: ast::Generics,
-    attrs: ~[ast::Attribute],
+    attrs: Vec<ast::Attribute> ,
     id: NodeId,
     where: Span,
     name: Ident,
@@ -100,7 +101,7 @@ pub struct Enum {
 
 pub struct Variant {
     name: Ident,
-    attrs: ~[ast::Attribute],
+    attrs: Vec<ast::Attribute> ,
     kind: ast::VariantKind,
     id: ast::NodeId,
     vis: ast::Visibility,
@@ -109,7 +110,7 @@ pub struct Variant {
 
 pub struct Function {
     decl: ast::FnDecl,
-    attrs: ~[ast::Attribute],
+    attrs: Vec<ast::Attribute> ,
     id: NodeId,
     name: Ident,
     vis: ast::Visibility,
@@ -123,7 +124,7 @@ pub struct Typedef {
     gen: ast::Generics,
     name: Ident,
     id: ast::NodeId,
-    attrs: ~[ast::Attribute],
+    attrs: Vec<ast::Attribute> ,
     where: Span,
     vis: ast::Visibility,
 }
@@ -133,7 +134,7 @@ pub struct Static {
     mutability: ast::Mutability,
     expr: @ast::Expr,
     name: Ident,
-    attrs: ~[ast::Attribute],
+    attrs: Vec<ast::Attribute> ,
     vis: ast::Visibility,
     id: ast::NodeId,
     where: Span,
@@ -141,10 +142,10 @@ pub struct Static {
 
 pub struct Trait {
     name: Ident,
-    methods: ~[ast::TraitMethod], //should be TraitMethod
+    methods: Vec<ast::TraitMethod> , //should be TraitMethod
     generics: ast::Generics,
-    parents: ~[ast::TraitRef],
-    attrs: ~[ast::Attribute],
+    parents: Vec<ast::TraitRef> ,
+    attrs: Vec<ast::Attribute> ,
     id: ast::NodeId,
     where: Span,
     vis: ast::Visibility,
@@ -154,8 +155,8 @@ pub struct Impl {
     generics: ast::Generics,
     trait_: Option<ast::TraitRef>,
     for_: ast::P<ast::Ty>,
-    methods: ~[@ast::Method],
-    attrs: ~[ast::Attribute],
+    methods: Vec<@ast::Method> ,
+    attrs: Vec<ast::Attribute> ,
     where: Span,
     vis: ast::Visibility,
     id: ast::NodeId,
@@ -164,7 +165,7 @@ pub struct Impl {
 pub struct Macro {
     name: Ident,
     id: ast::NodeId,
-    attrs: ~[ast::Attribute],
+    attrs: Vec<ast::Attribute> ,
     where: Span,
 }
 
diff --git a/src/librustdoc/fold.rs b/src/librustdoc/fold.rs
index 672b46afcd083..9274724e3ecdb 100644
--- a/src/librustdoc/fold.rs
+++ b/src/librustdoc/fold.rs
@@ -11,6 +11,7 @@
 use clean::*;
 use std::iter::Extendable;
 use std::mem::{replace, swap};
+use std::vec_ng::Vec;
 
 pub trait DocFolder {
     fn fold_item(&mut self, item: Item) -> Option<Item> {
@@ -23,7 +24,7 @@ pub trait DocFolder {
         let inner = inner;
         let inner = match inner {
             StructItem(mut i) => {
-                let mut foo = ~[]; swap(&mut foo, &mut i.fields);
+                let mut foo = Vec::new(); swap(&mut foo, &mut i.fields);
                 let num_fields = foo.len();
                 i.fields.extend(&mut foo.move_iter().filter_map(|x| self.fold_item(x)));
                 i.fields_stripped |= num_fields != i.fields.len();
@@ -33,7 +34,7 @@ pub trait DocFolder {
                 ModuleItem(self.fold_mod(i))
             },
             EnumItem(mut i) => {
-                let mut foo = ~[]; swap(&mut foo, &mut i.variants);
+                let mut foo = Vec::new(); swap(&mut foo, &mut i.variants);
                 let num_variants = foo.len();
                 i.variants.extend(&mut foo.move_iter().filter_map(|x| self.fold_item(x)));
                 i.variants_stripped |= num_variants != i.variants.len();
@@ -56,12 +57,12 @@ pub trait DocFolder {
                         },
                     }
                 }
-                let mut foo = ~[]; swap(&mut foo, &mut i.methods);
+                let mut foo = Vec::new(); swap(&mut foo, &mut i.methods);
                 i.methods.extend(&mut foo.move_iter().filter_map(|x| vtrm(self, x)));
                 TraitItem(i)
             },
             ImplItem(mut i) => {
-                let mut foo = ~[]; swap(&mut foo, &mut i.methods);
+                let mut foo = Vec::new(); swap(&mut foo, &mut i.methods);
                 i.methods.extend(&mut foo.move_iter().filter_map(|x| self.fold_item(x)));
                 ImplItem(i)
             },
@@ -69,7 +70,7 @@ pub trait DocFolder {
                 let i2 = i.clone(); // this clone is small
                 match i.kind {
                     StructVariant(mut j) => {
-                        let mut foo = ~[]; swap(&mut foo, &mut j.fields);
+                        let mut foo = Vec::new(); swap(&mut foo, &mut j.fields);
                         let num_fields = foo.len();
                         let c = |x| self.fold_item(x);
                         j.fields.extend(&mut foo.move_iter().filter_map(c));
diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs
index a8b7e374a6ab9..2b9aaebbbfd70 100644
--- a/src/librustdoc/html/format.rs
+++ b/src/librustdoc/html/format.rs
@@ -18,6 +18,7 @@
 use std::fmt;
 use std::local_data;
 use std::io;
+use std::vec_ng::Vec;
 
 use syntax::ast;
 use syntax::ast_util;
@@ -170,7 +171,7 @@ fn external_path(w: &mut io::Writer, p: &clean::Path, print_all: bool,
             }
         },
         |_cache| {
-            Some((fqn.to_owned(), match kind {
+            Some((Vec::from_slice(fqn), match kind {
                 clean::TypeStruct => "struct",
                 clean::TypeEnum => "enum",
                 clean::TypeFunction => "fn",
@@ -181,7 +182,7 @@ fn external_path(w: &mut io::Writer, p: &clean::Path, print_all: bool,
 
 fn path(w: &mut io::Writer, path: &clean::Path, print_all: bool,
         root: |&render::Cache, &[~str]| -> Option<~str>,
-        info: |&render::Cache| -> Option<(~[~str], &'static str)>)
+        info: |&render::Cache| -> Option<(Vec<~str> , &'static str)>)
     -> fmt::Result
 {
     // The generics will get written to both the title and link
@@ -210,7 +211,7 @@ fn path(w: &mut io::Writer, path: &clean::Path, print_all: bool,
         local_data::get(cache_key, |cache| {
             let cache = cache.unwrap().get();
             let abs_root = root(cache, loc.as_slice());
-            let rel_root = match path.segments[0].name.as_slice() {
+            let rel_root = match path.segments.get(0).name.as_slice() {
                 "self" => Some(~"./"),
                 _ => None,
             };
@@ -279,7 +280,7 @@ fn path(w: &mut io::Writer, path: &clean::Path, print_all: bool,
 
 /// Helper to render type parameters
 fn typarams(w: &mut io::Writer,
-            typarams: &Option<~[clean::TyParamBound]>) -> fmt::Result {
+            typarams: &Option<Vec<clean::TyParamBound> >) -> fmt::Result {
     match *typarams {
         Some(ref params) => {
             try!(write!(w, "&lt;"));
@@ -535,11 +536,11 @@ impl fmt::Show for clean::ViewListIdent {
             Some(did) if ast_util::is_local(did) => {
                 let path = clean::Path {
                     global: false,
-                    segments: ~[clean::PathSegment {
+                    segments: vec!(clean::PathSegment {
                         name: self.name.clone(),
-                        lifetimes: ~[],
-                        types: ~[],
-                    }]
+                        lifetimes: Vec::new(),
+                        types: Vec::new(),
+                    })
                 };
                 resolved_path(f.buf, did.node, &path, false)
             }
diff --git a/src/librustdoc/html/render.rs b/src/librustdoc/html/render.rs
index b705e976e4656..589c9a5d1e33b 100644
--- a/src/librustdoc/html/render.rs
+++ b/src/librustdoc/html/render.rs
@@ -69,7 +69,7 @@ use html::highlight;
 pub struct Context {
     /// Current hierarchy of components leading down to what's currently being
     /// rendered
-    current: ~[~str],
+    current: Vec<~str> ,
     /// String representation of how to get back to the root path of the 'doc/'
     /// folder in terms of a relative URL.
     root_path: ~str,
@@ -84,7 +84,7 @@ pub struct Context {
     /// functions), and the value is the list of containers belonging to this
     /// header. This map will change depending on the surrounding context of the
     /// page.
-    sidebar: HashMap<~str, ~[~str]>,
+    sidebar: HashMap<~str, Vec<~str> >,
     /// This flag indicates whether [src] links should be generated or not. If
     /// the source files are present in the html rendering, then this will be
     /// `true`.
@@ -131,14 +131,14 @@ pub struct Cache {
     ///
     /// The values of the map are a list of implementations and documentation
     /// found on that implementation.
-    impls: HashMap<ast::NodeId, ~[(clean::Impl, Option<~str>)]>,
+    impls: HashMap<ast::NodeId, Vec<(clean::Impl, Option<~str>)> >,
 
     /// Maintains a mapping of local crate node ids to the fully qualified name
     /// and "short type description" of that node. This is used when generating
     /// URLs when a type is being linked to. External paths are not located in
     /// this map because the `External` type itself has all the information
     /// necessary.
-    paths: HashMap<ast::NodeId, (~[~str], &'static str)>,
+    paths: HashMap<ast::NodeId, (Vec<~str> , &'static str)>,
 
     /// This map contains information about all known traits of this crate.
     /// Implementations of a crate should inherit the documentation of the
@@ -149,16 +149,16 @@ pub struct Cache {
     /// When rendering traits, it's often useful to be able to list all
     /// implementors of the trait, and this mapping is exactly, that: a mapping
     /// of trait ids to the list of known implementors of the trait
-    implementors: HashMap<ast::NodeId, ~[Implementor]>,
+    implementors: HashMap<ast::NodeId, Vec<Implementor> >,
 
     /// Cache of where external crate documentation can be found.
     extern_locations: HashMap<ast::CrateNum, ExternalLocation>,
 
     // Private fields only used when initially crawling a crate to build a cache
 
-    priv stack: ~[~str],
-    priv parent_stack: ~[ast::NodeId],
-    priv search_index: ~[IndexItem],
+    priv stack: Vec<~str> ,
+    priv parent_stack: Vec<ast::NodeId> ,
+    priv search_index: Vec<IndexItem> ,
     priv privmod: bool,
     priv public_items: NodeSet,
 
@@ -203,13 +203,13 @@ struct IndexItem {
 // TLS keys used to carry information around during rendering.
 
 local_data_key!(pub cache_key: Arc<Cache>)
-local_data_key!(pub current_location_key: ~[~str])
+local_data_key!(pub current_location_key: Vec<~str> )
 
 /// Generates the documentation for `crate` into the directory `dst`
 pub fn run(mut krate: clean::Crate, dst: Path) -> io::IoResult<()> {
     let mut cx = Context {
         dst: dst,
-        current: ~[],
+        current: Vec::new(),
         root_path: ~"",
         sidebar: HashMap::new(),
         layout: layout::Layout {
@@ -251,9 +251,9 @@ pub fn run(mut krate: clean::Crate, dst: Path) -> io::IoResult<()> {
             paths: HashMap::new(),
             traits: HashMap::new(),
             implementors: HashMap::new(),
-            stack: ~[],
-            parent_stack: ~[],
-            search_index: ~[],
+            stack: Vec::new(),
+            parent_stack: Vec::new(),
+            search_index: Vec::new(),
             extern_locations: HashMap::new(),
             privmod: false,
             public_items: public_items,
@@ -530,7 +530,7 @@ impl DocFolder for Cache {
                 match i.trait_ {
                     Some(clean::ResolvedPath{ id, .. }) => {
                         let v = self.implementors.find_or_insert_with(id, |_|{
-                            ~[]
+                            Vec::new()
                         });
                         match i.for_ {
                             clean::ResolvedPath{..} => {
@@ -661,7 +661,7 @@ impl DocFolder for Cache {
                         match i.for_ {
                             clean::ResolvedPath { id, .. } => {
                                 let v = self.impls.find_or_insert_with(id, |_| {
-                                    ~[]
+                                    Vec::new()
                                 });
                                 // extract relevant documentation for this impl
                                 match attrs.move_iter().find(|a| {
@@ -754,7 +754,7 @@ impl Context {
         // using a rwarc makes this parallelizable in the future
         local_data::set(cache_key, Arc::new(cache));
 
-        let mut work = ~[(self, item)];
+        let mut work = vec!((self, item));
         loop {
             match work.pop() {
                 Some((mut cx, item)) => try!(cx.item(item, |cx, item| {
@@ -886,7 +886,7 @@ impl<'a> fmt::Show for Item<'a> {
         }
 
         if self.cx.include_sources {
-            let mut path = ~[];
+            let mut path = Vec::new();
             clean_srcpath(self.item.source.filename.as_bytes(), |component| {
                 path.push(component.to_owned());
             });
@@ -933,8 +933,9 @@ impl<'a> fmt::Show for Item<'a> {
                       shortty(self.item), self.item.name.get_ref().as_slice()));
 
         match self.item.inner {
-            clean::ModuleItem(ref m) => item_module(fmt.buf, self.cx,
-                                                    self.item, m.items),
+            clean::ModuleItem(ref m) => {
+                item_module(fmt.buf, self.cx, self.item, m.items.as_slice())
+            }
             clean::FunctionItem(ref f) | clean::ForeignFunctionItem(ref f) =>
                 item_function(fmt.buf, self.item, f),
             clean::TraitItem(ref t) => item_trait(fmt.buf, self.item, t),
@@ -1284,8 +1285,14 @@ fn render_method(w: &mut Writer, meth: &clean::Item) -> fmt::Result {
 fn item_struct(w: &mut Writer, it: &clean::Item,
                s: &clean::Struct) -> fmt::Result {
     try!(write!(w, "<pre class='rust struct'>"));
-    try!(render_struct(w, it, Some(&s.generics), s.struct_type, s.fields,
-                         s.fields_stripped, "", true));
+    try!(render_struct(w,
+                       it,
+                       Some(&s.generics),
+                       s.struct_type,
+                       s.fields.as_slice(),
+                       s.fields_stripped,
+                       "",
+                       true));
     try!(write!(w, "</pre>"));
 
     try!(document(w, it));
@@ -1333,9 +1340,14 @@ fn item_enum(w: &mut Writer, it: &clean::Item, e: &clean::Enum) -> fmt::Result {
                             try!(write!(w, ")"));
                         }
                         clean::StructVariant(ref s) => {
-                            try!(render_struct(w, v, None, s.struct_type,
-                                                 s.fields, s.fields_stripped,
-                                                 "    ", false));
+                            try!(render_struct(w,
+                                               v,
+                                               None,
+                                               s.struct_type,
+                                               s.fields.as_slice(),
+                                               s.fields_stripped,
+                                               "    ",
+                                               false));
                         }
                     }
                 }
@@ -1644,7 +1656,7 @@ impl<'a> fmt::Show for Sidebar<'a> {
     }
 }
 
-fn build_sidebar(m: &clean::Module) -> HashMap<~str, ~[~str]> {
+fn build_sidebar(m: &clean::Module) -> HashMap<~str, Vec<~str> > {
     let mut map = HashMap::new();
     for item in m.items.iter() {
         let short = shortty(item);
@@ -1652,12 +1664,12 @@ fn build_sidebar(m: &clean::Module) -> HashMap<~str, ~[~str]> {
             None => continue,
             Some(ref s) => s.to_owned(),
         };
-        let v = map.find_or_insert_with(short.to_owned(), |_| ~[]);
+        let v = map.find_or_insert_with(short.to_owned(), |_| Vec::new());
         v.push(myname);
     }
 
     for (_, items) in map.mut_iter() {
-        items.sort();
+        items.as_mut_slice().sort();
     }
     return map;
 }
diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs
index 2d08dca97b986..419add30a7490 100644
--- a/src/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@@ -31,6 +31,7 @@ use std::local_data;
 use std::io;
 use std::io::{File, MemWriter};
 use std::str;
+use std::vec_ng::Vec;
 use serialize::{json, Decodable, Encodable};
 
 pub mod clean;
@@ -79,15 +80,15 @@ static DEFAULT_PASSES: &'static [&'static str] = &[
 local_data_key!(pub ctxtkey: @core::DocContext)
 local_data_key!(pub analysiskey: core::CrateAnalysis)
 
-type Output = (clean::Crate, ~[plugins::PluginJson]);
+type Output = (clean::Crate, Vec<plugins::PluginJson> );
 
 pub fn main() {
     std::os::set_exit_status(main_args(std::os::args()));
 }
 
-pub fn opts() -> ~[getopts::OptGroup] {
+pub fn opts() -> Vec<getopts::OptGroup> {
     use getopts::*;
-    ~[
+    vec!(
         optflag("h", "help", "show this help message"),
         optflag("", "version", "print rustdoc's version"),
         optopt("r", "input-format", "the input type of the specified file",
@@ -120,16 +121,18 @@ pub fn opts() -> ~[getopts::OptGroup] {
         optmulti("", "markdown-after-content",
                  "files to include inline between the content and </body> of a rendered \
                  Markdown file",
-                 "FILES"),
-    ]
+                 "FILES")
+    )
 }
 
 pub fn usage(argv0: &str) {
-    println!("{}", getopts::usage(format!("{} [options] <input>", argv0), opts()));
+    println!("{}",
+             getopts::usage(format!("{} [options] <input>", argv0),
+                            opts().as_slice()));
 }
 
 pub fn main_args(args: &[~str]) -> int {
-    let matches = match getopts::getopts(args.tail(), opts()) {
+    let matches = match getopts::getopts(args.tail(), opts().as_slice()) {
         Ok(m) => m,
         Err(err) => {
             println!("{}", err.to_err_msg());
@@ -151,13 +154,19 @@ pub fn main_args(args: &[~str]) -> int {
         println!("only one input file may be specified");
         return 1;
     }
-    let input = matches.free[0].as_slice();
+    let input = matches.free.get(0).as_slice();
 
-    let libs = matches.opt_strs("L").map(|s| Path::new(s.as_slice()));
-    let libs = @RefCell::new(libs.move_iter().collect());
+    let libs = matches.opt_strs("L")
+                      .iter()
+                      .map(|s| Path::new(s.as_slice()))
+                      .collect();
+    let libs = @RefCell::new(libs);
 
     let test_args = matches.opt_strs("test-args");
-    let test_args = test_args.iter().flat_map(|s| s.words()).map(|s| s.to_owned()).to_owned_vec();
+    let test_args: Vec<~str> = test_args.iter()
+                                        .flat_map(|s| s.words())
+                                        .map(|s| s.to_owned())
+                                        .collect();
 
     let should_test = matches.opt_present("test");
     let markdown_input = input.ends_with(".md") || input.ends_with(".markdown");
@@ -165,7 +174,11 @@ pub fn main_args(args: &[~str]) -> int {
     let output = matches.opt_str("o").map(|s| Path::new(s));
 
     match (should_test, markdown_input) {
-        (true, true) => return markdown::test(input, libs, test_args),
+        (true, true) => {
+            return markdown::test(input,
+                                  libs,
+                                  test_args.move_iter().collect())
+        }
         (true, false) => return test::run(input, libs, test_args),
 
         (false, true) => return markdown::render(input, output.unwrap_or(Path::new("doc")),
@@ -173,7 +186,7 @@ pub fn main_args(args: &[~str]) -> int {
         (false, false) => {}
     }
 
-    if matches.opt_strs("passes") == ~[~"list"] {
+    if matches.opt_strs("passes").as_slice() == &[~"list"] {
         println!("Available passes for running rustdoc:");
         for &(name, _, description) in PASSES.iter() {
             println!("{:>20s} - {}", name, description);
@@ -248,13 +261,18 @@ fn rust_input(cratefile: &str, matches: &getopts::Matches) -> Output {
     let mut plugins = matches.opt_strs("plugins");
 
     // First, parse the crate and extract all relevant information.
-    let libs = matches.opt_strs("L").map(|s| Path::new(s.as_slice()));
+    let libs: Vec<Path> = matches.opt_strs("L")
+                                 .iter()
+                                 .map(|s| Path::new(s.as_slice()))
+                                 .collect();
     let cfgs = matches.opt_strs("cfg");
     let cr = Path::new(cratefile);
     info!("starting to run rustc");
     let (krate, analysis) = std::task::try(proc() {
         let cr = cr;
-        core::run_core(libs.move_iter().collect(), cfgs, &cr)
+        core::run_core(libs.move_iter().collect(),
+                       cfgs.move_iter().collect(),
+                       &cr)
     }).unwrap();
     info!("finished with rustc");
     local_data::set(analysiskey, analysis);
@@ -344,7 +362,7 @@ fn json_input(input: &str) -> Result<Output, ~str> {
             };
             // FIXME: this should read from the "plugins" field, but currently
             //      Json doesn't implement decodable...
-            let plugin_output = ~[];
+            let plugin_output = Vec::new();
             Ok((krate, plugin_output))
         }
         Ok(..) => Err(~"malformed json input: expected an object at the top"),
@@ -353,7 +371,7 @@ fn json_input(input: &str) -> Result<Output, ~str> {
 
 /// Outputs the crate/plugin json as a giant json blob at the specified
 /// destination.
-fn json_output(krate: clean::Crate, res: ~[plugins::PluginJson],
+fn json_output(krate: clean::Crate, res: Vec<plugins::PluginJson> ,
                dst: Path) -> io::IoResult<()> {
     // {
     //   "schema": version,
diff --git a/src/librustdoc/markdown.rs b/src/librustdoc/markdown.rs
index 7ab3fe017b905..f1524d501f9ad 100644
--- a/src/librustdoc/markdown.rs
+++ b/src/librustdoc/markdown.rs
@@ -88,9 +88,12 @@ pub fn render(input: &str, mut output: Path, matches: &getopts::Matches) -> int
     let input_str = load_or_return!(input, 1, 2);
 
     let (in_header, before_content, after_content) =
-        match (load_external_files(matches.opt_strs("markdown-in-header")),
-               load_external_files(matches.opt_strs("markdown-before-content")),
-               load_external_files(matches.opt_strs("markdown-after-content"))) {
+        match (load_external_files(matches.opt_strs("markdown-in-header")
+                                          .as_slice()),
+               load_external_files(matches.opt_strs("markdown-before-content")
+                                          .as_slice()),
+               load_external_files(matches.opt_strs("markdown-after-content")
+                                          .as_slice())) {
         (Some(a), Some(b), Some(c)) => (a,b,c),
         _ => return 3
     };
diff --git a/src/librustdoc/passes.rs b/src/librustdoc/passes.rs
index fdd637b1d0f78..64e7d49d0ea08 100644
--- a/src/librustdoc/passes.rs
+++ b/src/librustdoc/passes.rs
@@ -12,6 +12,7 @@ use std::cmp;
 use collections::HashSet;
 use std::local_data;
 use std::uint;
+use std::vec_ng::Vec;
 use syntax::ast;
 use rustc::util::nodemap::NodeSet;
 
@@ -220,7 +221,7 @@ pub fn unindent_comments(krate: clean::Crate) -> plugins::PluginResult {
     impl fold::DocFolder for CommentCleaner {
         fn fold_item(&mut self, i: Item) -> Option<Item> {
             let mut i = i;
-            let mut avec: ~[clean::Attribute] = ~[];
+            let mut avec: Vec<clean::Attribute> = Vec::new();
             for attr in i.attrs.iter() {
                 match attr {
                     &clean::NameValue(~"doc", ref s) => avec.push(
@@ -252,7 +253,7 @@ pub fn collapse_docs(krate: clean::Crate) -> plugins::PluginResult {
                     _ => ()
                 }
             }
-            let mut a: ~[clean::Attribute] = i.attrs.iter().filter(|&a| match a {
+            let mut a: Vec<clean::Attribute> = i.attrs.iter().filter(|&a| match a {
                 &clean::NameValue(~"doc", _) => false,
                 _ => true
             }).map(|x| x.clone()).collect();
@@ -269,7 +270,7 @@ pub fn collapse_docs(krate: clean::Crate) -> plugins::PluginResult {
 }
 
 pub fn unindent(s: &str) -> ~str {
-    let lines = s.lines_any().collect::<~[&str]>();
+    let lines = s.lines_any().collect::<Vec<&str> >();
     let mut saw_first_line = false;
     let mut saw_second_line = false;
     let min_indent = lines.iter().fold(uint::MAX, |min_indent, line| {
@@ -313,7 +314,7 @@ pub fn unindent(s: &str) -> ~str {
     });
 
     if lines.len() >= 1 {
-        let mut unindented = ~[ lines[0].trim() ];
+        let mut unindented = vec!( lines.get(0).trim() );
         unindented.push_all(lines.tail().map(|&line| {
             if line.is_whitespace() {
                 line
diff --git a/src/librustdoc/plugins.rs b/src/librustdoc/plugins.rs
index 2e7c4224ee186..66f12e83c62f1 100644
--- a/src/librustdoc/plugins.rs
+++ b/src/librustdoc/plugins.rs
@@ -12,6 +12,7 @@ use clean;
 
 use serialize::json;
 use dl = std::unstable::dynamic_lib;
+use std::vec_ng::Vec;
 
 pub type PluginJson = Option<(~str, json::Json)>;
 pub type PluginResult = (clean::Crate, PluginJson);
@@ -19,8 +20,8 @@ pub type PluginCallback = fn (clean::Crate) -> PluginResult;
 
 /// Manages loading and running of plugins
 pub struct PluginManager {
-    priv dylibs: ~[dl::DynamicLibrary],
-    priv callbacks: ~[PluginCallback],
+    priv dylibs: Vec<dl::DynamicLibrary> ,
+    priv callbacks: Vec<PluginCallback> ,
     /// The directory plugins will be loaded from
     prefix: Path,
 }
@@ -29,8 +30,8 @@ impl PluginManager {
     /// Create a new plugin manager
     pub fn new(prefix: Path) -> PluginManager {
         PluginManager {
-            dylibs: ~[],
-            callbacks: ~[],
+            dylibs: Vec::new(),
+            callbacks: Vec::new(),
             prefix: prefix,
         }
     }
@@ -57,8 +58,8 @@ impl PluginManager {
         self.callbacks.push(plugin);
     }
     /// Run all the loaded plugins over the crate, returning their results
-    pub fn run_plugins(&self, krate: clean::Crate) -> (clean::Crate, ~[PluginJson]) {
-        let mut out_json = ~[];
+    pub fn run_plugins(&self, krate: clean::Crate) -> (clean::Crate, Vec<PluginJson> ) {
+        let mut out_json = Vec::new();
         let mut krate = krate;
         for &callback in self.callbacks.iter() {
             let (c, res) = callback(krate);
diff --git a/src/librustdoc/test.rs b/src/librustdoc/test.rs
index 45607a0992e23..79e8d6fd79b9c 100644
--- a/src/librustdoc/test.rs
+++ b/src/librustdoc/test.rs
@@ -15,6 +15,7 @@ use std::io::Process;
 use std::local_data;
 use std::os;
 use std::str;
+use std::vec_ng::Vec;
 
 use collections::HashSet;
 use testing;
@@ -35,7 +36,10 @@ use html::markdown;
 use passes;
 use visit_ast::RustdocVisitor;
 
-pub fn run(input: &str, libs: @RefCell<HashSet<Path>>, mut test_args: ~[~str]) -> int {
+pub fn run(input: &str,
+           libs: @RefCell<HashSet<Path>>,
+           mut test_args: Vec<~str>)
+           -> int {
     let input_path = Path::new(input);
     let input = driver::FileInput(input_path.clone());
 
@@ -77,13 +81,16 @@ pub fn run(input: &str, libs: @RefCell<HashSet<Path>>, mut test_args: ~[~str]) -
     let (krate, _) = passes::unindent_comments(krate);
     let (krate, _) = passes::collapse_docs(krate);
 
-    let mut collector = Collector::new(krate.name.to_owned(), libs, false, false);
+    let mut collector = Collector::new(krate.name.to_owned(),
+                                       libs,
+                                       false,
+                                       false);
     collector.fold_crate(krate);
 
     test_args.unshift(~"rustdoctest");
 
-    testing::test_main(test_args, collector.tests);
-
+    testing::test_main(test_args.as_slice(),
+                       collector.tests.move_iter().collect());
     0
 }
 
@@ -194,8 +201,8 @@ fn maketest(s: &str, cratename: &str, loose_feature_gating: bool) -> ~str {
 }
 
 pub struct Collector {
-    tests: ~[testing::TestDescAndFn],
-    priv names: ~[~str],
+    tests: Vec<testing::TestDescAndFn>,
+    priv names: Vec<~str>,
     priv libs: @RefCell<HashSet<Path>>,
     priv cnt: uint,
     priv use_headers: bool,
@@ -209,8 +216,8 @@ impl Collector {
     pub fn new(cratename: ~str, libs: @RefCell<HashSet<Path>>,
                use_headers: bool, loose_feature_gating: bool) -> Collector {
         Collector {
-            tests: ~[],
-            names: ~[],
+            tests: Vec::new(),
+            names: Vec::new(),
             libs: libs,
             cnt: 0,
             use_headers: use_headers,
diff --git a/src/librustdoc/visit_ast.rs b/src/librustdoc/visit_ast.rs
index 5ac623af37a31..adb1a7bb6bd39 100644
--- a/src/librustdoc/visit_ast.rs
+++ b/src/librustdoc/visit_ast.rs
@@ -23,7 +23,7 @@ use doctree::*;
 
 pub struct RustdocVisitor<'a> {
     module: Module,
-    attrs: ~[ast::Attribute],
+    attrs: Vec<ast::Attribute> ,
     cx: &'a core::DocContext,
     analysis: Option<&'a core::CrateAnalysis>,
 }
@@ -33,7 +33,7 @@ impl<'a> RustdocVisitor<'a> {
                    analysis: Option<&'b core::CrateAnalysis>) -> RustdocVisitor<'b> {
         RustdocVisitor {
             module: Module::new(None),
-            attrs: ~[],
+            attrs: Vec::new(),
             cx: cx,
             analysis: analysis,
         }
@@ -73,7 +73,7 @@ impl<'a> RustdocVisitor<'a> {
     pub fn visit_enum_def(&mut self, it: &ast::Item, def: &ast::EnumDef,
                           params: &ast::Generics) -> Enum {
         debug!("Visiting enum");
-        let mut vars: ~[Variant] = ~[];
+        let mut vars: Vec<Variant> = Vec::new();
         for x in def.variants.iter() {
             vars.push(Variant {
                 name: x.node.name,
@@ -111,7 +111,7 @@ impl<'a> RustdocVisitor<'a> {
         }
     }
 
-    pub fn visit_mod_contents(&mut self, span: Span, attrs: ~[ast::Attribute],
+    pub fn visit_mod_contents(&mut self, span: Span, attrs: Vec<ast::Attribute> ,
                               vis: ast::Visibility, id: ast::NodeId,
                               m: &ast::Mod,
                               name: Option<ast::Ident>) -> Module {
diff --git a/src/libsemver/lib.rs b/src/libsemver/lib.rs
index 700dc9867940a..77465a2fa45f1 100644
--- a/src/libsemver/lib.rs
+++ b/src/libsemver/lib.rs
@@ -34,6 +34,7 @@
 #[license = "MIT/ASL2"];
 
 use std::char;
+use std::vec_ng::Vec;
 use std::cmp;
 use std::fmt;
 use std::fmt::Show;
@@ -83,9 +84,9 @@ pub struct Version {
     /// fixes are made.
     patch: uint,
     /// The pre-release version identifier, if one exists.
-    pre: ~[Identifier],
+    pre: Vec<Identifier> ,
     /// The build metadata, ignored when determining version precedence.
-    build: ~[Identifier],
+    build: Vec<Identifier> ,
 }
 
 impl fmt::Show for Version {
@@ -216,8 +217,8 @@ fn parse_iter<T: Iterator<char>>(rdr: &mut T) -> Option<Version> {
         None => return None
     };
 
-    let mut pre = ~[];
-    let mut build = ~[];
+    let mut pre = Vec::new();
+    let mut build = Vec::new();
 
     let mut ch = ch;
     if ch == Some('-') {
@@ -290,66 +291,66 @@ fn test_parse() {
         major: 1u,
         minor: 2u,
         patch: 3u,
-        pre: ~[],
-        build: ~[],
+        pre: Vec::new(),
+        build: Vec::new(),
     }));
     assert!(parse("  1.2.3  ") == Some(Version {
         major: 1u,
         minor: 2u,
         patch: 3u,
-        pre: ~[],
-        build: ~[],
+        pre: Vec::new(),
+        build: Vec::new(),
     }));
     assert!(parse("1.2.3-alpha1") == Some(Version {
         major: 1u,
         minor: 2u,
         patch: 3u,
-        pre: ~[AlphaNumeric(~"alpha1")],
-        build: ~[]
+        pre: vec!(AlphaNumeric(~"alpha1")),
+        build: Vec::new()
     }));
     assert!(parse("  1.2.3-alpha1  ") == Some(Version {
         major: 1u,
         minor: 2u,
         patch: 3u,
-        pre: ~[AlphaNumeric(~"alpha1")],
-        build: ~[]
+        pre: vec!(AlphaNumeric(~"alpha1")),
+        build: Vec::new()
     }));
     assert!(parse("1.2.3+build5") == Some(Version {
         major: 1u,
         minor: 2u,
         patch: 3u,
-        pre: ~[],
-        build: ~[AlphaNumeric(~"build5")]
+        pre: Vec::new(),
+        build: vec!(AlphaNumeric(~"build5"))
     }));
     assert!(parse("  1.2.3+build5  ") == Some(Version {
         major: 1u,
         minor: 2u,
         patch: 3u,
-        pre: ~[],
-        build: ~[AlphaNumeric(~"build5")]
+        pre: Vec::new(),
+        build: vec!(AlphaNumeric(~"build5"))
     }));
     assert!(parse("1.2.3-alpha1+build5") == Some(Version {
         major: 1u,
         minor: 2u,
         patch: 3u,
-        pre: ~[AlphaNumeric(~"alpha1")],
-        build: ~[AlphaNumeric(~"build5")]
+        pre: vec!(AlphaNumeric(~"alpha1")),
+        build: vec!(AlphaNumeric(~"build5"))
     }));
     assert!(parse("  1.2.3-alpha1+build5  ") == Some(Version {
         major: 1u,
         minor: 2u,
         patch: 3u,
-        pre: ~[AlphaNumeric(~"alpha1")],
-        build: ~[AlphaNumeric(~"build5")]
+        pre: vec!(AlphaNumeric(~"alpha1")),
+        build: vec!(AlphaNumeric(~"build5"))
     }));
     assert!(parse("1.2.3-1.alpha1.9+build5.7.3aedf  ") == Some(Version {
         major: 1u,
         minor: 2u,
         patch: 3u,
-        pre: ~[Numeric(1),AlphaNumeric(~"alpha1"),Numeric(9)],
-        build: ~[AlphaNumeric(~"build5"),
+        pre: vec!(Numeric(1),AlphaNumeric(~"alpha1"),Numeric(9)),
+        build: vec!(AlphaNumeric(~"build5"),
                  Numeric(7),
-                 AlphaNumeric(~"3aedf")]
+                 AlphaNumeric(~"3aedf"))
     }));
 
 }
diff --git a/src/libstd/rt/local_heap.rs b/src/libstd/rt/local_heap.rs
index 29b3dcaa4f29a..0678fc2cf5b8d 100644
--- a/src/libstd/rt/local_heap.rs
+++ b/src/libstd/rt/local_heap.rs
@@ -21,7 +21,7 @@ use rt::global_heap;
 use rt::local::Local;
 use rt::task::Task;
 use raw;
-use vec::ImmutableVector;
+use vec::{ImmutableVector, Vector};
 use vec_ng::Vec;
 
 // This has no meaning with out rtdebug also turned on.
diff --git a/src/libstd/rt/logging.rs b/src/libstd/rt/logging.rs
index aa024a53b89ec..3b597ade00ffb 100644
--- a/src/libstd/rt/logging.rs
+++ b/src/libstd/rt/logging.rs
@@ -16,7 +16,7 @@ use option::{Some, None, Option};
 use os;
 use rt::crate_map::{ModEntry, CrateMap, iter_crate_map, get_crate_map};
 use str::{Str, StrSlice};
-use vec::{ImmutableVector, MutableTotalOrdVector, OwnedVector};
+use vec::{ImmutableVector, MutableTotalOrdVector, OwnedVector, Vector};
 use vec_ng::Vec;
 
 struct LogDirective<'a> {
diff --git a/src/libstd/str.rs b/src/libstd/str.rs
index 3464c4a1128e3..9b597d0a2e9ce 100644
--- a/src/libstd/str.rs
+++ b/src/libstd/str.rs
@@ -101,6 +101,7 @@ use ptr::RawPtr;
 use from_str::FromStr;
 use vec;
 use vec::{OwnedVector, OwnedCloneableVector, ImmutableVector, MutableVector};
+use vec::{Vector};
 use vec_ng::Vec;
 use default::Default;
 use raw::Repr;
diff --git a/src/libstd/vec_ng.rs b/src/libstd/vec_ng.rs
index 76fd68a526513..b6a6f0feb0436 100644
--- a/src/libstd/vec_ng.rs
+++ b/src/libstd/vec_ng.rs
@@ -12,8 +12,9 @@
 #[doc(hidden)];
 
 use cast::{forget, transmute};
+use cast;
 use clone::Clone;
-use cmp::{Ord, Eq, Ordering, TotalEq, TotalOrd};
+use cmp::{Eq, Equiv, Ord, Ordering, TotalEq, TotalOrd};
 use container::{Container, Mutable};
 use default::Default;
 use fmt;
@@ -30,7 +31,7 @@ use ptr;
 use rt::global_heap::{malloc_raw, realloc_raw};
 use raw::Slice;
 use vec::{ImmutableEqVector, ImmutableVector, Items, MutItems, MutableVector};
-use vec::{RevItems};
+use vec::{RevItems, Vector};
 
 pub struct Vec<T> {
     priv len: uint,
@@ -184,6 +185,13 @@ impl<T: TotalOrd> TotalOrd for Vec<T> {
     }
 }
 
+impl<'a,T:Eq,V:Vector<T>> Equiv<V> for Vec<T> {
+    #[inline]
+    fn equiv(&self, other: &V) -> bool {
+        self.as_slice() == other.as_slice()
+    }
+}
+
 impl<T> Container for Vec<T> {
     #[inline]
     fn len(&self) -> uint {
@@ -280,12 +288,6 @@ impl<T> Vec<T> {
         self.len = len;
     }
 
-    #[inline]
-    pub fn as_slice<'a>(&'a self) -> &'a [T] {
-        let slice = Slice { data: self.ptr as *T, len: self.len };
-        unsafe { transmute(slice) }
-    }
-
     #[inline]
     pub fn as_mut_slice<'a>(&'a mut self) -> &'a mut [T] {
         let slice = Slice { data: self.ptr as *T, len: self.len };
@@ -362,6 +364,11 @@ impl<T> Vec<T> {
         self.as_mut_slice().mut_last()
     }
 
+    #[inline]
+    pub fn swap(&mut self, a: uint, b: uint) {
+        self.as_mut_slice().swap(a, b)
+    }
+
     #[inline]
     pub fn swap_remove(&mut self, index: uint) -> Option<T> {
         let length = self.len();
@@ -447,6 +454,48 @@ impl<T> Vec<T> {
     pub fn as_ptr(&self) -> *T {
         self.as_slice().as_ptr()
     }
+
+    pub fn remove(&mut self, i: uint) -> Option<T> {
+        let len = self.len();
+        if i < len {
+            unsafe { // infallible
+                // the place we are taking from.
+                let ptr = self.as_mut_slice().as_mut_ptr().offset(i as int);
+                // copy it out, unsafely having a copy of the value on
+                // the stack and in the vector at the same time.
+                let ret = Some(ptr::read(ptr as *T));
+
+                // Shift everything down to fill in that spot.
+                ptr::copy_memory(ptr, &*ptr.offset(1), len - i - 1);
+                self.set_len(len - 1);
+
+                ret
+            }
+        } else {
+            None
+        }
+    }
+
+    #[inline]
+    pub fn shift(&mut self) -> Option<T> {
+        self.remove(0)
+    }
+
+    #[inline]
+    pub fn partition(self, f: |&T| -> bool) -> (Vec<T>, Vec<T>) {
+        let mut lefts = Vec::new();
+        let mut rights = Vec::new();
+
+        for elt in self.move_iter() {
+            if f(&elt) {
+                lefts.push(elt);
+            } else {
+                rights.push(elt);
+            }
+        }
+
+        (lefts, rights)
+    }
 }
 
 impl<T> Mutable for Vec<T> {
@@ -457,6 +506,17 @@ impl<T> Mutable for Vec<T> {
     }
 }
 
+impl<T> Vector<T> for Vec<T> {
+    /// Work with `self` as a slice.
+    #[inline]
+    fn as_slice<'a>(&'a self) -> &'a [T] {
+        let slice = Slice { data: self.ptr as *T, len: self.len };
+        unsafe {
+            cast::transmute(slice)
+        }
+    }
+}
+
 impl<T:Eq> Vec<T> {
     /// Return true if a vector contains an element with the given value
     pub fn contains(&self, x: &T) -> bool {
diff --git a/src/libsync/arc.rs b/src/libsync/arc.rs
index 17a35f331705d..000540c0acd1b 100644
--- a/src/libsync/arc.rs
+++ b/src/libsync/arc.rs
@@ -572,25 +572,26 @@ mod tests {
     use super::{Arc, RWArc, MutexArc, CowArc};
 
     use std::task;
+    use std::vec_ng::Vec;
 
     #[test]
     fn manually_share_arc() {
-        let v = ~[1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+        let v = vec!(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
         let arc_v = Arc::new(v);
 
         let (p, c) = Chan::new();
 
         task::spawn(proc() {
-            let arc_v: Arc<~[int]> = p.recv();
+            let arc_v: Arc<Vec<int> > = p.recv();
 
             let v = arc_v.get().clone();
-            assert_eq!(v[3], 4);
+            assert_eq!(*v.get(3), 4);
         });
 
         c.send(arc_v.clone());
 
-        assert_eq!(arc_v.get()[2], 3);
-        assert_eq!(arc_v.get()[4], 5);
+        assert_eq!(*arc_v.get().get(2), 3);
+        assert_eq!(*arc_v.get().get(4), 5);
 
         info!("{:?}", arc_v);
     }
@@ -792,7 +793,7 @@ mod tests {
         });
 
         // Readers try to catch the writer in the act
-        let mut children = ~[];
+        let mut children = Vec::new();
         for _ in range(0, 5) {
             let arc3 = arc.clone();
             let mut builder = task::task();
@@ -846,7 +847,7 @@ mod tests {
         let arc = RWArc::new(0);
 
         // Reader tasks
-        let mut reader_convos = ~[];
+        let mut reader_convos = Vec::new();
         for _ in range(0, 10) {
             let ((rp1, rc1), (rp2, rc2)) = (Chan::new(), Chan::new());
             reader_convos.push((rc1, rp2));
diff --git a/src/libsync/sync/mod.rs b/src/libsync/sync/mod.rs
index 34ec4ca28cfaf..fb91a1d692299 100644
--- a/src/libsync/sync/mod.rs
+++ b/src/libsync/sync/mod.rs
@@ -24,6 +24,7 @@ use std::mem::replace;
 use std::sync::arc::UnsafeArc;
 use std::sync::atomics;
 use std::unstable::finally::Finally;
+use std::vec_ng::Vec;
 
 use arc::MutexArc;
 
@@ -161,10 +162,10 @@ impl<Q:Send> Sem<Q> {
 }
 
 #[doc(hidden)]
-impl Sem<~[WaitQueue]> {
+impl Sem<Vec<WaitQueue> > {
     fn new_and_signal(count: int, num_condvars: uint)
-        -> Sem<~[WaitQueue]> {
-        let mut queues = ~[];
+        -> Sem<Vec<WaitQueue> > {
+        let mut queues = Vec::new();
         for _ in range(0, num_condvars) { queues.push(WaitQueue::new()); }
         Sem::new(count, queues)
     }
@@ -182,7 +183,7 @@ enum ReacquireOrderLock<'a> {
 pub struct Condvar<'a> {
     // The 'Sem' object associated with this condvar. This is the one that's
     // atomically-unlocked-and-descheduled upon and reacquired during wakeup.
-    priv sem: &'a Sem<~[WaitQueue]>,
+    priv sem: &'a Sem<Vec<WaitQueue> >,
     // This is (can be) an extra semaphore which is held around the reacquire
     // operation on the first one. This is only used in cvars associated with
     // rwlocks, and is needed to ensure that, when a downgrader is trying to
@@ -230,7 +231,7 @@ impl<'a> Condvar<'a> {
                     }
                     // Create waiter nobe, and enqueue ourself to
                     // be woken up by a signaller.
-                    wait_end = Some(state.blocked[condvar_id].wait_end());
+                    wait_end = Some(state.blocked.get(condvar_id).wait_end());
                 } else {
                     out_of_bounds = Some(state.blocked.len());
                 }
@@ -265,7 +266,7 @@ impl<'a> Condvar<'a> {
             let mut result = false;
             self.sem.with(|state| {
                 if condvar_id < state.blocked.len() {
-                    result = state.blocked[condvar_id].signal();
+                    result = state.blocked.get(condvar_id).signal();
                 } else {
                     out_of_bounds = Some(state.blocked.len());
                 }
@@ -290,7 +291,7 @@ impl<'a> Condvar<'a> {
                     // To avoid :broadcast_heavy, we make a new waitqueue,
                     // swap it out with the old one, and broadcast on the
                     // old one outside of the little-lock.
-                    queue = Some(replace(&mut state.blocked[condvar_id],
+                    queue = Some(replace(state.blocked.get_mut(condvar_id),
                                                WaitQueue::new()));
                 } else {
                     out_of_bounds = Some(state.blocked.len());
@@ -326,7 +327,7 @@ fn check_cvar_bounds<U>(
 }
 
 #[doc(hidden)]
-impl Sem<~[WaitQueue]> {
+impl Sem<Vec<WaitQueue> > {
     // The only other places that condvars get built are rwlock.write_cond()
     // and rwlock_write_mode.
     pub fn access_cond<U>(&self, blk: |c: &Condvar| -> U) -> U {
@@ -391,7 +392,7 @@ impl Semaphore {
  * unwinds.
  */
 
-pub struct Mutex { priv sem: Sem<~[WaitQueue]> }
+pub struct Mutex { priv sem: Sem<Vec<WaitQueue> > }
 impl Clone for Mutex {
     /// Create a new handle to the mutex.
     fn clone(&self) -> Mutex {
@@ -461,7 +462,7 @@ struct RWLockInner {
  */
 pub struct RWLock {
     priv order_lock:  Semaphore,
-    priv access_lock: Sem<~[WaitQueue]>,
+    priv access_lock: Sem<Vec<WaitQueue> >,
     priv state:       UnsafeArc<RWLockInner>,
 }
 
@@ -765,6 +766,7 @@ mod tests {
     use std::result;
     use std::task;
     use std::comm::Empty;
+    use std::vec_ng::Vec;
 
     /************************************************************************
      * Semaphore tests
@@ -931,7 +933,7 @@ mod tests {
     #[cfg(test)]
     fn test_mutex_cond_broadcast_helper(num_waiters: uint) {
         let m = Mutex::new();
-        let mut ports = ~[];
+        let mut ports = Vec::new();
 
         for _ in range(0, num_waiters) {
             let mi = m.clone();
@@ -1031,7 +1033,7 @@ mod tests {
         let (p, c) = Chan::new();
 
         let result: result::Result<(), ~Any> = task::try(proc() {
-            let mut sibling_convos = ~[];
+            let mut sibling_convos = Vec::new();
             for _ in range(0, 2) {
                 let (p, c) = Chan::new();
                 sibling_convos.push(p);
@@ -1297,7 +1299,7 @@ mod tests {
             }
         }
         let x = RWLock::new();
-        let mut ports = ~[];
+        let mut ports = Vec::new();
 
         for _ in range(0, num_waiters) {
             let xi = x.clone();
diff --git a/src/libsync/task_pool.rs b/src/libsync/task_pool.rs
index 0d8cccfe2b9ae..ed7d6cb6e8357 100644
--- a/src/libsync/task_pool.rs
+++ b/src/libsync/task_pool.rs
@@ -15,7 +15,7 @@
 
 
 use std::task;
-use std::vec;
+use std::vec_ng::Vec;
 
 enum Msg<T> {
     Execute(proc(&T)),
@@ -23,7 +23,7 @@ enum Msg<T> {
 }
 
 pub struct TaskPool<T> {
-    priv channels: ~[Chan<Msg<T>>],
+    priv channels: Vec<Chan<Msg<T>>> ,
     priv next_index: uint,
 }
 
@@ -47,7 +47,7 @@ impl<T> TaskPool<T> {
                -> TaskPool<T> {
         assert!(n_tasks >= 1);
 
-        let channels = vec::from_fn(n_tasks, |i| {
+        let channels = Vec::from_fn(n_tasks, |i| {
             let (port, chan) = Chan::<Msg<T>>::new();
             let init_fn = init_fn_factory();
 
@@ -67,13 +67,16 @@ impl<T> TaskPool<T> {
             chan
         });
 
-        return TaskPool { channels: channels, next_index: 0 };
+        return TaskPool {
+            channels: channels,
+            next_index: 0,
+        };
     }
 
     /// Executes the function `f` on a task in the pool. The function
     /// receives a reference to the local data returned by the `init_fn`.
     pub fn execute(&mut self, f: proc(&T)) {
-        self.channels[self.next_index].send(Execute(f));
+        self.channels.get(self.next_index).send(Execute(f));
         self.next_index += 1;
         if self.next_index == self.channels.len() { self.next_index = 0; }
     }
diff --git a/src/libterm/lib.rs b/src/libterm/lib.rs
index 903fede5faa8e..b62b252e67b5f 100644
--- a/src/libterm/lib.rs
+++ b/src/libterm/lib.rs
@@ -25,8 +25,8 @@
 
 extern crate collections;
 
-use std::os;
 use std::io;
+use std::os;
 use terminfo::TermInfo;
 use terminfo::searcher::open;
 use terminfo::parser::compiled::{parse, msys_terminfo};
@@ -150,10 +150,14 @@ impl<T: Writer> Terminal<T> {
     pub fn fg(&mut self, color: color::Color) -> io::IoResult<bool> {
         let color = self.dim_if_necessary(color);
         if self.num_colors > color {
-            let s = expand(*self.ti.strings.find_equiv(&("setaf")).unwrap(),
+            let s = expand(self.ti
+                               .strings
+                               .find_equiv(&("setaf"))
+                               .unwrap()
+                               .as_slice(),
                            [Number(color as int)], &mut Variables::new());
             if s.is_ok() {
-                try!(self.out.write(s.unwrap()));
+                try!(self.out.write(s.unwrap().as_slice()));
                 return Ok(true)
             } else {
                 warn!("{}", s.unwrap_err());
@@ -171,10 +175,14 @@ impl<T: Writer> Terminal<T> {
     pub fn bg(&mut self, color: color::Color) -> io::IoResult<bool> {
         let color = self.dim_if_necessary(color);
         if self.num_colors > color {
-            let s = expand(*self.ti.strings.find_equiv(&("setab")).unwrap(),
+            let s = expand(self.ti
+                               .strings
+                               .find_equiv(&("setab"))
+                               .unwrap()
+                               .as_slice(),
                            [Number(color as int)], &mut Variables::new());
             if s.is_ok() {
-                try!(self.out.write(s.unwrap()));
+                try!(self.out.write(s.unwrap().as_slice()));
                 return Ok(true)
             } else {
                 warn!("{}", s.unwrap_err());
@@ -194,9 +202,11 @@ impl<T: Writer> Terminal<T> {
                 let cap = cap_for_attr(attr);
                 let parm = self.ti.strings.find_equiv(&cap);
                 if parm.is_some() {
-                    let s = expand(*parm.unwrap(), [], &mut Variables::new());
+                    let s = expand(parm.unwrap().as_slice(),
+                                   [],
+                                   &mut Variables::new());
                     if s.is_ok() {
-                        try!(self.out.write(s.unwrap()));
+                        try!(self.out.write(s.unwrap().as_slice()));
                         return Ok(true)
                     } else {
                         warn!("{}", s.unwrap_err());
@@ -232,10 +242,10 @@ impl<T: Writer> Terminal<T> {
             }
         }
         let s = cap.map_or(Err(~"can't find terminfo capability `sgr0`"), |op| {
-            expand(*op, [], &mut Variables::new())
+            expand(op.as_slice(), [], &mut Variables::new())
         });
         if s.is_ok() {
-            return self.out.write(s.unwrap())
+            return self.out.write(s.unwrap().as_slice())
         } else if self.num_colors > 0 {
             warn!("{}", s.unwrap_err());
         } else {
diff --git a/src/libterm/terminfo/mod.rs b/src/libterm/terminfo/mod.rs
index de8a1dcc363c7..575057c31f09a 100644
--- a/src/libterm/terminfo/mod.rs
+++ b/src/libterm/terminfo/mod.rs
@@ -11,17 +11,18 @@
 #[allow(missing_doc)];
 
 use collections::HashMap;
+use std::vec_ng::Vec;
 
 /// A parsed terminfo entry.
 pub struct TermInfo {
     /// Names for the terminal
-    priv names: ~[~str],
+    priv names: Vec<~str> ,
     /// Map of capability name to boolean value
     priv bools: HashMap<~str, bool>,
     /// Map of capability name to numeric value
     numbers: HashMap<~str, u16>,
     /// Map of capability name to raw (unexpanded) string
-    strings: HashMap<~str, ~[u8]>
+    strings: HashMap<~str, Vec<u8> >
 }
 
 pub mod searcher;
diff --git a/src/libterm/terminfo/parm.rs b/src/libterm/terminfo/parm.rs
index dfb6d6b1a8825..5e8bc82e031b9 100644
--- a/src/libterm/terminfo/parm.rs
+++ b/src/libterm/terminfo/parm.rs
@@ -10,8 +10,9 @@
 
 //! Parameterized string expansion
 
-use std::{char, vec};
+use std::char;
 use std::mem::replace;
+use std::vec_ng::Vec;
 
 #[deriving(Eq)]
 enum States {
@@ -89,13 +90,13 @@ impl Variables {
   multiple capabilities for the same terminal.
   */
 pub fn expand(cap: &[u8], params: &[Param], vars: &mut Variables)
-    -> Result<~[u8], ~str> {
+    -> Result<Vec<u8> , ~str> {
     let mut state = Nothing;
 
     // expanded cap will only rarely be larger than the cap itself
-    let mut output = vec::with_capacity(cap.len());
+    let mut output = Vec::with_capacity(cap.len());
 
-    let mut stack: ~[Param] = ~[];
+    let mut stack: Vec<Param> = Vec::new();
 
     // Copy parameters into a local vector for mutability
     let mut mparams = [
@@ -248,7 +249,7 @@ pub fn expand(cap: &[u8], params: &[Param], vars: &mut Variables)
                         let flags = Flags::new();
                         let res = format(stack.pop().unwrap(), FormatOp::from_char(cur), flags);
                         if res.is_err() { return res }
-                        output.push_all(res.unwrap())
+                        output.push_all(res.unwrap().as_slice())
                     } else { return Err(~"stack is empty") },
                     ':'|'#'|' '|'.'|'0'..'9' => {
                         let mut flags = Flags::new();
@@ -343,7 +344,7 @@ pub fn expand(cap: &[u8], params: &[Param], vars: &mut Variables)
                     (_,'d')|(_,'o')|(_,'x')|(_,'X')|(_,'s') => if stack.len() > 0 {
                         let res = format(stack.pop().unwrap(), FormatOp::from_char(cur), *flags);
                         if res.is_err() { return res }
-                        output.push_all(res.unwrap());
+                        output.push_all(res.unwrap().as_slice());
                         old_state = state; // will cause state to go to Nothing
                     } else { return Err(~"stack is empty") },
                     (FormatStateFlags,'#') => {
@@ -476,10 +477,10 @@ impl FormatOp {
     }
 }
 
-fn format(val: Param, op: FormatOp, flags: Flags) -> Result<~[u8],~str> {
+fn format(val: Param, op: FormatOp, flags: Flags) -> Result<Vec<u8> ,~str> {
     let mut s = match val {
         Number(d) => {
-            let mut s = match (op, flags.sign) {
+            let s = match (op, flags.sign) {
                 (FormatDigit, true)  => format!("{:+d}", d).into_bytes(),
                 (FormatDigit, false) => format!("{:d}", d).into_bytes(),
                 (FormatOctal, _)     => format!("{:o}", d).into_bytes(),
@@ -487,8 +488,9 @@ fn format(val: Param, op: FormatOp, flags: Flags) -> Result<~[u8],~str> {
                 (FormatHEX, _)       => format!("{:X}", d).into_bytes(),
                 (FormatString, _)    => return Err(~"non-number on stack with %s"),
             };
+            let mut s: Vec<u8> = s.move_iter().collect();
             if flags.precision > s.len() {
-                let mut s_ = vec::with_capacity(flags.precision);
+                let mut s_ = Vec::with_capacity(flags.precision);
                 let n = flags.precision - s.len();
                 s_.grow(n, &('0' as u8));
                 s_.push_all_move(s);
@@ -497,25 +499,31 @@ fn format(val: Param, op: FormatOp, flags: Flags) -> Result<~[u8],~str> {
             assert!(!s.is_empty(), "string conversion produced empty result");
             match op {
                 FormatDigit => {
-                    if flags.space && !(s[0] == '-' as u8 || s[0] == '+' as u8) {
+                    if flags.space && !(*s.get(0) == '-' as u8 ||
+                                        *s.get(0) == '+' as u8) {
                         s.unshift(' ' as u8);
                     }
                 }
                 FormatOctal => {
-                    if flags.alternate && s[0] != '0' as u8 {
+                    if flags.alternate && *s.get(0) != '0' as u8 {
                         s.unshift('0' as u8);
                     }
                 }
                 FormatHex => {
                     if flags.alternate {
-                        let s_ = replace(&mut s, ~['0' as u8, 'x' as u8]);
+                        let s_ = replace(&mut s, vec!('0' as u8, 'x' as u8));
                         s.push_all_move(s_);
                     }
                 }
                 FormatHEX => {
-                    s = s.into_ascii().to_upper().into_bytes();
+                    s = s.as_slice()
+                         .to_ascii()
+                         .to_upper()
+                         .into_bytes()
+                         .move_iter()
+                         .collect();
                     if flags.alternate {
-                        let s_ = replace(&mut s, ~['0' as u8, 'X' as u8]);
+                        let s_ = replace(&mut s, vec!('0' as u8, 'X' as u8));
                         s.push_all_move(s_);
                     }
                 }
@@ -526,7 +534,7 @@ fn format(val: Param, op: FormatOp, flags: Flags) -> Result<~[u8],~str> {
         String(s) => {
             match op {
                 FormatString => {
-                    let mut s = s.as_bytes().to_owned();
+                    let mut s = Vec::from_slice(s.as_bytes());
                     if flags.precision > 0 && flags.precision < s.len() {
                         s.truncate(flags.precision);
                     }
@@ -543,7 +551,7 @@ fn format(val: Param, op: FormatOp, flags: Flags) -> Result<~[u8],~str> {
         if flags.left {
             s.grow(n, &(' ' as u8));
         } else {
-            let mut s_ = vec::with_capacity(flags.width);
+            let mut s_ = Vec::with_capacity(flags.width);
             s_.grow(n, &(' ' as u8));
             s_.push_all_move(s);
             s = s_;
@@ -556,18 +564,19 @@ fn format(val: Param, op: FormatOp, flags: Flags) -> Result<~[u8],~str> {
 mod test {
     use super::{expand,String,Variables,Number};
     use std::result::Ok;
+    use std::vec_ng;
 
     #[test]
     fn test_basic_setabf() {
         let s = bytes!("\\E[48;5;%p1%dm");
         assert_eq!(expand(s, [Number(1)], &mut Variables::new()).unwrap(),
-                   bytes!("\\E[48;5;1m").to_owned());
+                   bytes!("\\E[48;5;1m").iter().map(|x| *x).collect());
     }
 
     #[test]
     fn test_multiple_int_constants() {
         assert_eq!(expand(bytes!("%{1}%{2}%d%d"), [], &mut Variables::new()).unwrap(),
-                   bytes!("21").to_owned());
+                   bytes!("21").iter().map(|x| *x).collect());
     }
 
     #[test]
@@ -575,9 +584,9 @@ mod test {
         let mut vars = Variables::new();
         assert_eq!(expand(bytes!("%p1%d%p2%d%p3%d%i%p1%d%p2%d%p3%d"),
                           [Number(1),Number(2),Number(3)], &mut vars),
-                   Ok(bytes!("123233").to_owned()));
+                   Ok(bytes!("123233").iter().map(|x| *x).collect()));
         assert_eq!(expand(bytes!("%p1%d%p2%d%i%p1%d%p2%d"), [], &mut vars),
-                   Ok(bytes!("0011").to_owned()));
+                   Ok(bytes!("0011").iter().map(|x| *x).collect()));
     }
 
     #[test]
@@ -590,7 +599,12 @@ mod test {
             assert!(res.is_err(),
                     "Op {} succeeded incorrectly with 0 stack entries", *cap);
             let p = if *cap == "%s" || *cap == "%l" { String(~"foo") } else { Number(97) };
-            let res = expand((bytes!("%p1")).to_owned() + cap.as_bytes(), [p], vars);
+            let res = expand(vec_ng::append(bytes!("%p1").iter()
+                                                         .map(|x| *x)
+                                                         .collect(),
+                                            cap.as_bytes()).as_slice(),
+                             [p],
+                             vars);
             assert!(res.is_ok(),
                     "Op {} failed with 1 stack entry: {}", *cap, res.unwrap_err());
         }
@@ -599,10 +613,20 @@ mod test {
             let res = expand(cap.as_bytes(), [], vars);
             assert!(res.is_err(),
                     "Binop {} succeeded incorrectly with 0 stack entries", *cap);
-            let res = expand((bytes!("%{1}")).to_owned() + cap.as_bytes(), [], vars);
+            let res = expand(vec_ng::append(bytes!("%{1}").iter()
+                                                          .map(|x| *x)
+                                                          .collect(),
+                                             cap.as_bytes()).as_slice(),
+                              [],
+                              vars);
             assert!(res.is_err(),
                     "Binop {} succeeded incorrectly with 1 stack entry", *cap);
-            let res = expand((bytes!("%{1}%{2}")).to_owned() + cap.as_bytes(), [], vars);
+            let res = expand(vec_ng::append(bytes!("%{1}%{2}").iter()
+                                                              .map(|x| *x)
+                                                              .collect(),
+                                            cap.as_bytes()).as_slice(),
+                             [],
+                             vars);
             assert!(res.is_ok(),
                     "Binop {} failed with 2 stack entries: {}", *cap, res.unwrap_err());
         }
@@ -620,15 +644,15 @@ mod test {
             let s = format!("%\\{1\\}%\\{2\\}%{}%d", op);
             let res = expand(s.as_bytes(), [], &mut Variables::new());
             assert!(res.is_ok(), res.unwrap_err());
-            assert_eq!(res.unwrap(), ~['0' as u8 + bs[0]]);
+            assert_eq!(res.unwrap(), vec!('0' as u8 + bs[0]));
             let s = format!("%\\{1\\}%\\{1\\}%{}%d", op);
             let res = expand(s.as_bytes(), [], &mut Variables::new());
             assert!(res.is_ok(), res.unwrap_err());
-            assert_eq!(res.unwrap(), ~['0' as u8 + bs[1]]);
+            assert_eq!(res.unwrap(), vec!('0' as u8 + bs[1]));
             let s = format!("%\\{2\\}%\\{1\\}%{}%d", op);
             let res = expand(s.as_bytes(), [], &mut Variables::new());
             assert!(res.is_ok(), res.unwrap_err());
-            assert_eq!(res.unwrap(), ~['0' as u8 + bs[2]]);
+            assert_eq!(res.unwrap(), vec!('0' as u8 + bs[2]));
         }
     }
 
@@ -638,13 +662,16 @@ mod test {
         let s = bytes!("\\E[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;m");
         let res = expand(s, [Number(1)], &mut vars);
         assert!(res.is_ok(), res.unwrap_err());
-        assert_eq!(res.unwrap(), bytes!("\\E[31m").to_owned());
+        assert_eq!(res.unwrap(),
+                   bytes!("\\E[31m").iter().map(|x| *x).collect());
         let res = expand(s, [Number(8)], &mut vars);
         assert!(res.is_ok(), res.unwrap_err());
-        assert_eq!(res.unwrap(), bytes!("\\E[90m").to_owned());
+        assert_eq!(res.unwrap(),
+                   bytes!("\\E[90m").iter().map(|x| *x).collect());
         let res = expand(s, [Number(42)], &mut vars);
         assert!(res.is_ok(), res.unwrap_err());
-        assert_eq!(res.unwrap(), bytes!("\\E[38;5;42m").to_owned());
+        assert_eq!(res.unwrap(),
+                   bytes!("\\E[38;5;42m").iter().map(|x| *x).collect());
     }
 
     #[test]
@@ -653,13 +680,15 @@ mod test {
         let vars = &mut varstruct;
         assert_eq!(expand(bytes!("%p1%s%p2%2s%p3%2s%p4%.2s"),
                           [String(~"foo"), String(~"foo"), String(~"f"), String(~"foo")], vars),
-                   Ok(bytes!("foofoo ffo").to_owned()));
+                   Ok(bytes!("foofoo ffo").iter().map(|x| *x).collect()));
         assert_eq!(expand(bytes!("%p1%:-4.2s"), [String(~"foo")], vars),
-                   Ok(bytes!("fo  ").to_owned()));
+                   Ok(bytes!("fo  ").iter().map(|x| *x).collect()));
 
         assert_eq!(expand(bytes!("%p1%d%p1%.3d%p1%5d%p1%:+d"), [Number(1)], vars),
-                   Ok(bytes!("1001    1+1").to_owned()));
+                   Ok(bytes!("1001    1+1").iter().map(|x| *x).collect()));
         assert_eq!(expand(bytes!("%p1%o%p1%#o%p2%6.4x%p2%#6.4X"), [Number(15), Number(27)], vars),
-                   Ok(bytes!("17017  001b0X001B").to_owned()));
+                   Ok(bytes!("17017  001b0X001B").iter()
+                                                 .map(|x| *x)
+                                                 .collect()));
     }
 }
diff --git a/src/libterm/terminfo/parser/compiled.rs b/src/libterm/terminfo/parser/compiled.rs
index e9d71d1c2f7a3..95e830b9b1f3d 100644
--- a/src/libterm/terminfo/parser/compiled.rs
+++ b/src/libterm/terminfo/parser/compiled.rs
@@ -12,10 +12,10 @@
 
 /// ncurses-compatible compiled terminfo format parsing (term(5))
 
-
-use std::{vec, str};
-use std::io;
 use collections::HashMap;
+use std::io;
+use std::{vec, str};
+use std::vec_ng::Vec;
 use super::super::TermInfo;
 
 // These are the orders ncurses uses in its compiled format (as of 5.9). Not sure if portable.
@@ -225,7 +225,7 @@ pub fn parse(file: &mut io::Reader,
         Some(s) => s, None => return Err(~"input not utf-8"),
     };
 
-    let term_names: ~[~str] = names_str.split('|').map(|s| s.to_owned()).collect();
+    let term_names: Vec<~str> = names_str.split('|').map(|s| s.to_owned()).collect();
 
     try!(file.read_byte()); // consume NUL
 
@@ -298,7 +298,7 @@ pub fn parse(file: &mut io::Reader,
             if offset == 0xFFFE {
                 // undocumented: FFFE indicates cap@, which means the capability is not present
                 // unsure if the handling for this is correct
-                string_map.insert(name.to_owned(), ~[]);
+                string_map.insert(name.to_owned(), Vec::new());
                 continue;
             }
 
@@ -309,8 +309,9 @@ pub fn parse(file: &mut io::Reader,
             match nulpos {
                 Some(len) => {
                     string_map.insert(name.to_owned(),
-                                      string_table.slice(offset as uint,
-                                                         offset as uint + len).to_owned())
+                                      Vec::from_slice(
+                                          string_table.slice(offset as uint,
+                                          offset as uint + len)))
                 },
                 None => {
                     return Err(~"invalid file: missing NUL in string_table");
@@ -326,12 +327,12 @@ pub fn parse(file: &mut io::Reader,
 /// Create a dummy TermInfo struct for msys terminals
 pub fn msys_terminfo() -> ~TermInfo {
     let mut strings = HashMap::new();
-    strings.insert(~"sgr0", bytes!("\x1b[0m").to_owned());
-    strings.insert(~"bold", bytes!("\x1b[1m").to_owned());
-    strings.insert(~"setaf", bytes!("\x1b[3%p1%dm").to_owned());
-    strings.insert(~"setab", bytes!("\x1b[4%p1%dm").to_owned());
+    strings.insert(~"sgr0", Vec::from_slice(bytes!("\x1b[0m")));
+    strings.insert(~"bold", Vec::from_slice(bytes!("\x1b[1m")));
+    strings.insert(~"setaf", Vec::from_slice(bytes!("\x1b[3%p1%dm")));
+    strings.insert(~"setab", Vec::from_slice(bytes!("\x1b[4%p1%dm")));
     ~TermInfo {
-        names: ~[~"cygwin"], // msys is a fork of an older cygwin version
+        names: vec!(~"cygwin"), // msys is a fork of an older cygwin version
         bools: HashMap::new(),
         numbers: HashMap::new(),
         strings: strings
diff --git a/src/libterm/terminfo/searcher.rs b/src/libterm/terminfo/searcher.rs
index ef522da5e8c5f..14bbab09e09d0 100644
--- a/src/libterm/terminfo/searcher.rs
+++ b/src/libterm/terminfo/searcher.rs
@@ -13,6 +13,7 @@
 
 use std::io::File;
 use std::os::getenv;
+use std::vec_ng::Vec;
 use std::{os, str};
 
 /// Return path to database entry for `term`
@@ -23,7 +24,7 @@ pub fn get_dbpath_for_term(term: &str) -> Option<~Path> {
 
     let homedir = os::homedir();
 
-    let mut dirs_to_search = ~[];
+    let mut dirs_to_search = Vec::new();
     let first_char = term.char_at(0);
 
     // Find search directory
diff --git a/src/libtest/lib.rs b/src/libtest/lib.rs
index 9ebd7d72c9188..fbfca851ad9d7 100644
--- a/src/libtest/lib.rs
+++ b/src/libtest/lib.rs
@@ -49,6 +49,7 @@ use term::Terminal;
 use term::color::{Color, RED, YELLOW, GREEN, CYAN};
 
 use std::cmp;
+use std::vec_ng::Vec;
 use std::f64;
 use std::fmt;
 use std::from_str::FromStr;
@@ -199,7 +200,7 @@ pub type MetricDiff = TreeMap<~str,MetricChange>;
 
 // The default console test runner. It accepts the command line
 // arguments and a vector of test_descs.
-pub fn test_main(args: &[~str], tests: ~[TestDescAndFn]) {
+pub fn test_main(args: &[~str], tests: Vec<TestDescAndFn> ) {
     let opts =
         match parse_opts(args) {
             Some(Ok(o)) => o,
@@ -221,7 +222,7 @@ pub fn test_main(args: &[~str], tests: ~[TestDescAndFn]) {
 // semantics into parallel test runners, which in turn requires a ~[]
 // rather than a &[].
 pub fn test_main_static(args: &[~str], tests: &[TestDescAndFn]) {
-    let owned_tests = tests.map(|t| {
+    let owned_tests = tests.iter().map(|t| {
         match t.testfn {
             StaticTestFn(f) =>
             TestDescAndFn { testfn: StaticTestFn(f), desc: t.desc.clone() },
@@ -233,7 +234,7 @@ pub fn test_main_static(args: &[~str], tests: &[TestDescAndFn]) {
                 fail!("non-static tests passed to test::test_main_static");
             }
         }
-    });
+    }).collect();
     test_main(args, owned_tests)
 }
 
@@ -252,8 +253,8 @@ pub struct TestOpts {
 /// Result of parsing the options.
 pub type OptRes = Result<TestOpts, ~str>;
 
-fn optgroups() -> ~[getopts::OptGroup] {
-    ~[getopts::optflag("", "ignored", "Run ignored tests"),
+fn optgroups() -> Vec<getopts::OptGroup> {
+    vec!(getopts::optflag("", "ignored", "Run ignored tests"),
       getopts::optflag("", "test", "Run tests and not benchmarks"),
       getopts::optflag("", "bench", "Run benchmarks instead of tests"),
       getopts::optflag("h", "help", "Display this message (longer with --help)"),
@@ -269,12 +270,12 @@ fn optgroups() -> ~[getopts::OptGroup] {
       getopts::optopt("", "logfile", "Write logs to the specified file instead \
                           of stdout", "PATH"),
       getopts::optopt("", "test-shard", "run shard A, of B shards, worth of the testsuite",
-                     "A.B")]
+                     "A.B"))
 }
 
 fn usage(binary: &str, helpstr: &str) {
     let message = format!("Usage: {} [OPTIONS] [FILTER]", binary);
-    println!("{}", getopts::usage(message, optgroups()));
+    println!("{}", getopts::usage(message, optgroups().as_slice()));
     println!("");
     if helpstr == "help" {
         println!("{}", "\
@@ -304,7 +305,7 @@ Test Attributes:
 pub fn parse_opts(args: &[~str]) -> Option<OptRes> {
     let args_ = args.tail();
     let matches =
-        match getopts::getopts(args_, optgroups()) {
+        match getopts::getopts(args_, optgroups().as_slice()) {
           Ok(m) => m,
           Err(f) => return Some(Err(f.to_err_msg()))
         };
@@ -314,7 +315,7 @@ pub fn parse_opts(args: &[~str]) -> Option<OptRes> {
 
     let filter =
         if matches.free.len() > 0 {
-            Some((matches).free[0].clone())
+            Some((*matches.free.get(0)).clone())
         } else {
             None
         };
@@ -404,7 +405,7 @@ struct ConsoleTestState<T> {
     ignored: uint,
     measured: uint,
     metrics: MetricMap,
-    failures: ~[(TestDesc, ~[u8])],
+    failures: Vec<(TestDesc, Vec<u8> )> ,
     max_name_len: uint, // number of columns to fill when aligning names
 }
 
@@ -429,7 +430,7 @@ impl<T: Writer> ConsoleTestState<T> {
             ignored: 0u,
             measured: 0u,
             metrics: MetricMap::new(),
-            failures: ~[],
+            failures: Vec::new(),
             max_name_len: 0u,
         })
     }
@@ -543,14 +544,14 @@ impl<T: Writer> ConsoleTestState<T> {
 
     pub fn write_failures(&mut self) -> io::IoResult<()> {
         try!(self.write_plain("\nfailures:\n"));
-        let mut failures = ~[];
+        let mut failures = Vec::new();
         let mut fail_out  = ~"";
         for &(ref f, ref stdout) in self.failures.iter() {
             failures.push(f.name.to_str());
             if stdout.len() > 0 {
                 fail_out.push_str(format!("---- {} stdout ----\n\t",
                                   f.name.to_str()));
-                let output = str::from_utf8_lossy(*stdout);
+                let output = str::from_utf8_lossy(stdout.as_slice());
                 fail_out.push_str(output.as_slice().replace("\n", "\n\t"));
                 fail_out.push_str("\n");
             }
@@ -561,7 +562,7 @@ impl<T: Writer> ConsoleTestState<T> {
         }
 
         try!(self.write_plain("\nfailures:\n"));
-        failures.sort();
+        failures.as_mut_slice().sort();
         for name in failures.iter() {
             try!(self.write_plain(format!("    {}\n", name.to_str())));
         }
@@ -661,7 +662,7 @@ impl<T: Writer> ConsoleTestState<T> {
 
 pub fn fmt_metrics(mm: &MetricMap) -> ~str {
     let MetricMap(ref mm) = *mm;
-    let v : ~[~str] = mm.iter()
+    let v : Vec<~str> = mm.iter()
         .map(|(k,v)| format!("{}: {} (+/- {})",
                           *k,
                           v.value as f64,
@@ -685,7 +686,7 @@ pub fn fmt_bench_samples(bs: &BenchSamples) -> ~str {
 
 // A simple console test runner
 pub fn run_tests_console(opts: &TestOpts,
-                         tests: ~[TestDescAndFn]) -> io::IoResult<bool> {
+                         tests: Vec<TestDescAndFn> ) -> io::IoResult<bool> {
     fn callback<T: Writer>(event: &TestEvent,
                            st: &mut ConsoleTestState<T>) -> io::IoResult<()> {
         debug!("callback(event={:?})", event);
@@ -777,7 +778,7 @@ fn should_sort_failures_before_printing_them() {
         measured: 0u,
         max_name_len: 10u,
         metrics: MetricMap::new(),
-        failures: ~[(test_b, ~[]), (test_a, ~[])]
+        failures: vec!((test_b, Vec::new()), (test_a, Vec::new()))
     };
 
     st.write_failures().unwrap();
@@ -795,18 +796,20 @@ fn use_color() -> bool { return get_concurrency() == 1; }
 
 #[deriving(Clone)]
 enum TestEvent {
-    TeFiltered(~[TestDesc]),
+    TeFiltered(Vec<TestDesc> ),
     TeWait(TestDesc, NamePadding),
-    TeResult(TestDesc, TestResult, ~[u8] /* stdout */),
+    TeResult(TestDesc, TestResult, Vec<u8> ),
 }
 
-pub type MonitorMsg = (TestDesc, TestResult, ~[u8] /* stdout */);
+pub type MonitorMsg = (TestDesc, TestResult, Vec<u8> );
 
 fn run_tests(opts: &TestOpts,
-             tests: ~[TestDescAndFn],
+             tests: Vec<TestDescAndFn> ,
              callback: |e: TestEvent| -> io::IoResult<()>) -> io::IoResult<()> {
     let filtered_tests = filter_tests(opts, tests);
-    let filtered_descs = filtered_tests.map(|t| t.desc.clone());
+    let filtered_descs = filtered_tests.iter()
+                                       .map(|t| t.desc.clone())
+                                       .collect();
 
     try!(callback(TeFiltered(filtered_descs)));
 
@@ -879,8 +882,7 @@ fn get_concurrency() -> uint {
 
 pub fn filter_tests(
     opts: &TestOpts,
-    tests: ~[TestDescAndFn]) -> ~[TestDescAndFn]
-{
+    tests: Vec<TestDescAndFn> ) -> Vec<TestDescAndFn> {
     let mut filtered = tests;
 
     // Remove tests that don't match the test filter
@@ -928,11 +930,12 @@ pub fn filter_tests(
     // Shard the remaining tests, if sharding requested.
     match opts.test_shard {
         None => filtered,
-        Some((a,b)) =>
+        Some((a,b)) => {
             filtered.move_iter().enumerate()
             .filter(|&(i,_)| i % b == a)
             .map(|(_,t)| t)
-            .to_owned_vec()
+            .collect()
+        }
     }
 }
 
@@ -943,7 +946,7 @@ pub fn run_test(force_ignore: bool,
     let TestDescAndFn {desc, testfn} = test;
 
     if force_ignore || desc.ignore {
-        monitor_ch.send((desc, TrIgnored, ~[]));
+        monitor_ch.send((desc, TrIgnored, Vec::new()));
         return;
     }
 
@@ -964,7 +967,7 @@ pub fn run_test(force_ignore: bool,
             let result_future = task.future_result();
             task.spawn(testfn);
 
-            let stdout = reader.read_to_end().unwrap();
+            let stdout = reader.read_to_end().unwrap().move_iter().collect();
             let task_result = result_future.recv();
             let test_result = calc_result(&desc, task_result.is_ok());
             monitor_ch.send((desc.clone(), test_result, stdout));
@@ -974,24 +977,24 @@ pub fn run_test(force_ignore: bool,
     match testfn {
         DynBenchFn(bencher) => {
             let bs = ::bench::benchmark(|harness| bencher.run(harness));
-            monitor_ch.send((desc, TrBench(bs), ~[]));
+            monitor_ch.send((desc, TrBench(bs), Vec::new()));
             return;
         }
         StaticBenchFn(benchfn) => {
             let bs = ::bench::benchmark(|harness| benchfn(harness));
-            monitor_ch.send((desc, TrBench(bs), ~[]));
+            monitor_ch.send((desc, TrBench(bs), Vec::new()));
             return;
         }
         DynMetricFn(f) => {
             let mut mm = MetricMap::new();
             f(&mut mm);
-            monitor_ch.send((desc, TrMetrics(mm), ~[]));
+            monitor_ch.send((desc, TrMetrics(mm), Vec::new()));
             return;
         }
         StaticMetricFn(f) => {
             let mut mm = MetricMap::new();
             f(&mut mm);
-            monitor_ch.send((desc, TrMetrics(mm), ~[]));
+            monitor_ch.send((desc, TrMetrics(mm), Vec::new()));
             return;
         }
         DynTestFn(f) => run_test_inner(desc, monitor_ch, f),
@@ -1309,6 +1312,7 @@ mod tests {
                Improvement, Regression, LikelyNoise,
                StaticTestName, DynTestName, DynTestFn};
     use extra::tempfile::TempDir;
+    use std::vec_ng::Vec;
 
     #[test]
     pub fn do_not_run_ignored_tests() {
@@ -1380,8 +1384,8 @@ mod tests {
 
     #[test]
     fn first_free_arg_should_be_a_filter() {
-        let args = ~[~"progname", ~"filter"];
-        let opts = match parse_opts(args) {
+        let args = vec!(~"progname", ~"filter");
+        let opts = match parse_opts(args.as_slice()) {
             Some(Ok(o)) => o,
             _ => fail!("Malformed arg in first_free_arg_should_be_a_filter")
         };
@@ -1390,8 +1394,8 @@ mod tests {
 
     #[test]
     fn parse_ignored_flag() {
-        let args = ~[~"progname", ~"filter", ~"--ignored"];
-        let opts = match parse_opts(args) {
+        let args = vec!(~"progname", ~"filter", ~"--ignored");
+        let opts = match parse_opts(args.as_slice()) {
             Some(Ok(o)) => o,
             _ => fail!("Malformed arg in parse_ignored_flag")
         };
@@ -1415,7 +1419,7 @@ mod tests {
             test_shard: None
         };
 
-        let tests = ~[
+        let tests = vec!(
             TestDescAndFn {
                 desc: TestDesc {
                     name: StaticTestName("1"),
@@ -1431,13 +1435,12 @@ mod tests {
                     should_fail: false
                 },
                 testfn: DynTestFn(proc() {}),
-            },
-        ];
+            });
         let filtered = filter_tests(&opts, tests);
 
         assert_eq!(filtered.len(), 1);
-        assert_eq!(filtered[0].desc.name.to_str(), ~"1");
-        assert!(filtered[0].desc.ignore == false);
+        assert_eq!(filtered.get(0).desc.name.to_str(), ~"1");
+        assert!(filtered.get(0).desc.ignore == false);
     }
 
     #[test]
@@ -1455,16 +1458,16 @@ mod tests {
         };
 
         let names =
-            ~[~"sha1::test", ~"int::test_to_str", ~"int::test_pow",
+            vec!(~"sha1::test", ~"int::test_to_str", ~"int::test_pow",
              ~"test::do_not_run_ignored_tests",
              ~"test::ignored_tests_result_in_ignored",
              ~"test::first_free_arg_should_be_a_filter",
              ~"test::parse_ignored_flag", ~"test::filter_for_ignored_option",
-             ~"test::sort_tests"];
+             ~"test::sort_tests");
         let tests =
         {
             fn testfn() { }
-            let mut tests = ~[];
+            let mut tests = Vec::new();
             for name in names.iter() {
                 let test = TestDescAndFn {
                     desc: TestDesc {
@@ -1481,13 +1484,13 @@ mod tests {
         let filtered = filter_tests(&opts, tests);
 
         let expected =
-            ~[~"int::test_pow", ~"int::test_to_str", ~"sha1::test",
+            vec!(~"int::test_pow", ~"int::test_to_str", ~"sha1::test",
               ~"test::do_not_run_ignored_tests",
               ~"test::filter_for_ignored_option",
               ~"test::first_free_arg_should_be_a_filter",
               ~"test::ignored_tests_result_in_ignored",
               ~"test::parse_ignored_flag",
-              ~"test::sort_tests"];
+              ~"test::sort_tests");
 
         for (a, b) in expected.iter().zip(filtered.iter()) {
             assert!(*a == b.desc.name.to_str());
diff --git a/src/libtime/lib.rs b/src/libtime/lib.rs
index 7ac338a92a4c0..27f3ae980bed0 100644
--- a/src/libtime/lib.rs
+++ b/src/libtime/lib.rs
@@ -18,6 +18,7 @@
 extern crate serialize;
 
 use std::io::BufReader;
+use std::vec_ng::Vec;
 use std::libc;
 use std::num;
 use std::str;
@@ -1018,7 +1019,7 @@ pub fn strftime(format: &str, tm: &Tm) -> ~str {
         }
     }
 
-    let mut buf = ~[];
+    let mut buf = Vec::new();
 
     let mut rdr = BufReader::new(format.as_bytes());
     loop {
@@ -1037,7 +1038,7 @@ pub fn strftime(format: &str, tm: &Tm) -> ~str {
         }
     }
 
-    str::from_utf8_owned(buf).unwrap()
+    str::from_utf8(buf.as_slice()).unwrap().to_str()
 }
 
 #[cfg(test)]
diff --git a/src/libuuid/lib.rs b/src/libuuid/lib.rs
index 8dbdedc18483a..4368148f40baa 100644
--- a/src/libuuid/lib.rs
+++ b/src/libuuid/lib.rs
@@ -65,6 +65,7 @@ extern crate test;
 extern crate serialize;
 
 use std::cast::{transmute,transmute_copy};
+use std::vec_ng::Vec;
 use std::char::Char;
 use std::default::Default;
 use std::fmt;
@@ -315,13 +316,13 @@ impl Uuid {
     ///
     /// Example: `936DA01F9ABD4d9d80C702AF85C822A8`
     pub fn to_simple_str(&self) -> ~str {
-        let mut s: ~[u8] = vec::from_elem(32, 0u8);
+        let mut s: Vec<u8> = Vec::from_elem(32, 0u8);
         for i in range(0u, 16u) {
             let digit = format!("{:02x}", self.bytes[i] as uint);
-            s[i*2+0] = digit[0];
-            s[i*2+1] = digit[1];
+            *s.get_mut(i*2+0) = digit[0];
+            *s.get_mut(i*2+1) = digit[1];
         }
-        str::from_utf8_owned(s).unwrap()
+        str::from_utf8(s.as_slice()).unwrap().to_str()
     }
 
     /// Returns a string of hexadecimal digits, separated into groups with a hyphen.
@@ -385,17 +386,17 @@ impl Uuid {
         }
 
         // Split string up by hyphens into groups
-        let hex_groups: ~[&str] = us.split_str("-").collect();
+        let hex_groups: Vec<&str> = us.split_str("-").collect();
 
         // Get the length of each group
-        let group_lens: ~[uint] = hex_groups.iter().map(|&v| v.len()).collect();
+        let group_lens: Vec<uint> = hex_groups.iter().map(|&v| v.len()).collect();
 
         // Ensure the group lengths are valid
         match group_lens.len() {
             // Single group, no hyphens
             1 => {
-                if group_lens[0] != 32 {
-                    return Err(ErrorInvalidLength(group_lens[0]));
+                if *group_lens.get(0) != 32 {
+                    return Err(ErrorInvalidLength(*group_lens.get(0)));
                 }
             },
             // Five groups, hyphens in between each
@@ -526,6 +527,7 @@ mod test {
     use std::str;
     use std::rand;
     use std::io::MemWriter;
+    use std::vec_ng::Vec;
 
     #[test]
     fn test_nil() {
@@ -685,7 +687,10 @@ mod test {
         let hs = uuid1.to_hyphenated_str();
         let ss = uuid1.to_str();
 
-        let hsn = str::from_chars(hs.chars().filter(|&c| c != '-').collect::<~[char]>());
+        let hsn = str::from_chars(hs.chars()
+                                    .filter(|&c| c != '-')
+                                    .collect::<Vec<char>>()
+                                    .as_slice());
 
         assert!(hsn == ss);
     }
@@ -719,9 +724,9 @@ mod test {
         let d1: u32 = 0xa1a2a3a4;
         let d2: u16 = 0xb1b2;
         let d3: u16 = 0xc1c2;
-        let d4: ~[u8] = ~[0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8];
+        let d4: Vec<u8> = vec!(0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8);
 
-        let u = Uuid::from_fields(d1, d2, d3, d4);
+        let u = Uuid::from_fields(d1, d2, d3, d4.as_slice());
 
         let expected = ~"a1a2a3a4b1b2c1c2d1d2d3d4d5d6d7d8";
         let result = u.to_simple_str();
@@ -730,10 +735,10 @@ mod test {
 
     #[test]
     fn test_from_bytes() {
-        let b = ~[ 0xa1, 0xa2, 0xa3, 0xa4, 0xb1, 0xb2, 0xc1, 0xc2,
-                   0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8 ];
+        let b = vec!( 0xa1, 0xa2, 0xa3, 0xa4, 0xb1, 0xb2, 0xc1, 0xc2,
+                   0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8 );
 
-        let u = Uuid::from_bytes(b).unwrap();
+        let u = Uuid::from_bytes(b.as_slice()).unwrap();
         let expected = ~"a1a2a3a4b1b2c1c2d1d2d3d4d5d6d7d8";
 
         assert!(u.to_simple_str() == expected);
diff --git a/src/test/auxiliary/anon-extern-mod-cross-crate-1.rs b/src/test/auxiliary/anon-extern-mod-cross-crate-1.rs
index aa6ee35a07792..823c856da13a6 100644
--- a/src/test/auxiliary/anon-extern-mod-cross-crate-1.rs
+++ b/src/test/auxiliary/anon-extern-mod-cross-crate-1.rs
@@ -12,6 +12,7 @@
 
 use std::libc;
 
+use std::vec_ng::Vec;
 #[link(name="rustrt")]
 extern {
     pub fn rust_get_test_int() -> libc::intptr_t;
diff --git a/src/test/auxiliary/cci_class_6.rs b/src/test/auxiliary/cci_class_6.rs
index 90344a544bff4..8258a668f46ef 100644
--- a/src/test/auxiliary/cci_class_6.rs
+++ b/src/test/auxiliary/cci_class_6.rs
@@ -9,22 +9,24 @@
 // except according to those terms.
 
 pub mod kitties {
+    use std::vec_ng::Vec;
+
     pub struct cat<U> {
-        priv info : ~[U],
+        priv info : Vec<U> ,
         priv meows : uint,
 
         how_hungry : int,
     }
 
     impl<U> cat<U> {
-        pub fn speak<T>(&mut self, stuff: ~[T]) {
+        pub fn speak<T>(&mut self, stuff: Vec<T> ) {
             self.meows += stuff.len();
         }
 
         pub fn meow_count(&mut self) -> uint { self.meows }
     }
 
-    pub fn cat<U>(in_x : uint, in_y : int, in_info: ~[U]) -> cat<U> {
+    pub fn cat<U>(in_x : uint, in_y : int, in_info: Vec<U> ) -> cat<U> {
         cat {
             meows: in_x,
             how_hungry: in_y,
diff --git a/src/test/auxiliary/cci_nested_lib.rs b/src/test/auxiliary/cci_nested_lib.rs
index 90b01f8888bef..8386a6f78c133 100644
--- a/src/test/auxiliary/cci_nested_lib.rs
+++ b/src/test/auxiliary/cci_nested_lib.rs
@@ -11,6 +11,7 @@
 #[feature(managed_boxes)];
 
 use std::cell::RefCell;
+use std::vec_ng::Vec;
 
 pub struct Entry<A,B> {
     key: A,
@@ -19,7 +20,7 @@ pub struct Entry<A,B> {
 
 pub struct alist<A,B> {
     eq_fn: extern "Rust" fn(A,A) -> bool,
-    data: @RefCell<~[Entry<A,B>]>,
+    data: @RefCell<Vec<Entry<A,B>> >,
 }
 
 pub fn alist_add<A:'static,B:'static>(lst: &alist<A,B>, k: A, v: B) {
@@ -47,7 +48,7 @@ pub fn new_int_alist<B:'static>() -> alist<int, B> {
     fn eq_int(a: int, b: int) -> bool { a == b }
     return alist {
         eq_fn: eq_int,
-        data: @RefCell::new(~[]),
+        data: @RefCell::new(Vec::new()),
     };
 }
 
@@ -57,6 +58,6 @@ pub fn new_int_alist_2<B:'static>() -> alist<int, B> {
     fn eq_int(a: int, b: int) -> bool { a == b }
     return alist {
         eq_fn: eq_int,
-        data: @RefCell::new(~[]),
+        data: @RefCell::new(Vec::new()),
     };
 }
diff --git a/src/test/auxiliary/cci_no_inline_lib.rs b/src/test/auxiliary/cci_no_inline_lib.rs
index 87689474ca3e9..191313263aa9b 100644
--- a/src/test/auxiliary/cci_no_inline_lib.rs
+++ b/src/test/auxiliary/cci_no_inline_lib.rs
@@ -10,12 +10,14 @@
 
 #[crate_id="cci_no_inline_lib"];
 
+use std::vec_ng::Vec;
+
 // same as cci_iter_lib, more-or-less, but not marked inline
-pub fn iter(v: ~[uint], f: |uint|) {
+pub fn iter(v: Vec<uint> , f: |uint|) {
     let mut i = 0u;
     let n = v.len();
     while i < n {
-        f(v[i]);
+        f(*v.get(i));
         i += 1u;
     }
 }
diff --git a/src/test/auxiliary/issue-2631-a.rs b/src/test/auxiliary/issue-2631-a.rs
index 1a287b5e625cf..8ba9cdab79a4f 100644
--- a/src/test/auxiliary/issue-2631-a.rs
+++ b/src/test/auxiliary/issue-2631-a.rs
@@ -16,11 +16,12 @@ extern crate extra;
 extern crate collections;
 
 use std::cell::RefCell;
+use std::vec_ng::Vec;
 use collections::HashMap;
 
-pub type header_map = HashMap<~str, @RefCell<~[@~str]>>;
+pub type header_map = HashMap<~str, @RefCell<Vec<@~str>>>;
 
 // the unused ty param is necessary so this gets monomorphized
 pub fn request<T>(req: &header_map) {
-  let _x = (*((**req.get(&~"METHOD")).clone()).get()[0u]).clone();
+  let _x = (**((**req.get(&~"METHOD")).clone()).get().get(0)).clone();
 }
diff --git a/src/test/auxiliary/issue_2723_a.rs b/src/test/auxiliary/issue_2723_a.rs
index b3fa8e73cc222..57acf3a7a9141 100644
--- a/src/test/auxiliary/issue_2723_a.rs
+++ b/src/test/auxiliary/issue_2723_a.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-pub unsafe fn f(xs: ~[int]) {
+use std::vec_ng::Vec;
+
+pub unsafe fn f(xs: Vec<int> ) {
     xs.map(|_x| { unsafe fn q() { fail!(); } });
 }
diff --git a/src/test/bench/core-std.rs b/src/test/bench/core-std.rs
index 7b23e27e82a3c..8962e45fc9dff 100644
--- a/src/test/bench/core-std.rs
+++ b/src/test/bench/core-std.rs
@@ -20,7 +20,8 @@ use std::os;
 use std::rand::Rng;
 use std::rand;
 use std::str;
-use std::vec;
+use std::vec_ng::Vec;
+use std::vec_ng;
 use std::io::File;
 
 macro_rules! bench (
@@ -61,8 +62,8 @@ fn maybe_run_test(argv: &[~str], name: ~str, test: ||) {
 }
 
 fn shift_push() {
-    let mut v1 = vec::from_elem(30000, 1);
-    let mut v2 = ~[];
+    let mut v1 = Vec::from_elem(30000, 1);
+    let mut v2 = Vec::new();
 
     while v1.len() > 0 {
         v2.push(v1.shift().unwrap());
@@ -85,14 +86,14 @@ fn read_line() {
 fn vec_plus() {
     let mut r = rand::rng();
 
-    let mut v = ~[];
+    let mut v = Vec::new();
     let mut i = 0;
     while i < 1500 {
-        let rv = vec::from_elem(r.gen_range(0u, i + 1), i);
+        let rv = Vec::from_elem(r.gen_range(0u, i + 1), i);
         if r.gen() {
             v.push_all_move(rv);
         } else {
-            v = rv + v;
+            v = vec_ng::append(rv.clone(), v.as_slice());
         }
         i += 1;
     }
@@ -101,15 +102,15 @@ fn vec_plus() {
 fn vec_append() {
     let mut r = rand::rng();
 
-    let mut v = ~[];
+    let mut v = Vec::new();
     let mut i = 0;
     while i < 1500 {
-        let rv = vec::from_elem(r.gen_range(0u, i + 1), i);
+        let rv = Vec::from_elem(r.gen_range(0u, i + 1), i);
         if r.gen() {
-            v = vec::append(v, rv);
+            v = vec_ng::append(v.clone(), rv.as_slice());
         }
         else {
-            v = vec::append(rv, v);
+            v = vec_ng::append(rv.clone(), v.as_slice());
         }
         i += 1;
     }
@@ -118,24 +119,24 @@ fn vec_append() {
 fn vec_push_all() {
     let mut r = rand::rng();
 
-    let mut v = ~[];
+    let mut v = Vec::new();
     for i in range(0u, 1500) {
-        let mut rv = vec::from_elem(r.gen_range(0u, i + 1), i);
+        let mut rv = Vec::from_elem(r.gen_range(0u, i + 1), i);
         if r.gen() {
-            v.push_all(rv);
+            v.push_all(rv.as_slice());
         }
         else {
             swap(&mut v, &mut rv);
-            v.push_all(rv);
+            v.push_all(rv.as_slice());
         }
     }
 }
 
 fn is_utf8_ascii() {
-    let mut v : ~[u8] = ~[];
+    let mut v : Vec<u8> = Vec::new();
     for _ in range(0u, 20000) {
         v.push('b' as u8);
-        if !str::is_utf8(v) {
+        if !str::is_utf8(v.as_slice()) {
             fail!("is_utf8 failed");
         }
     }
@@ -143,10 +144,10 @@ fn is_utf8_ascii() {
 
 fn is_utf8_multibyte() {
     let s = "b¢€𤭢";
-    let mut v : ~[u8]= ~[];
+    let mut v : Vec<u8> = Vec::new();
     for _ in range(0u, 5000) {
         v.push_all(s.as_bytes());
-        if !str::is_utf8(v) {
+        if !str::is_utf8(v.as_slice()) {
             fail!("is_utf8 failed");
         }
     }
diff --git a/src/test/bench/core-uint-to-str.rs b/src/test/bench/core-uint-to-str.rs
index aec0bfb1e657c..b74ed7b25f788 100644
--- a/src/test/bench/core-uint-to-str.rs
+++ b/src/test/bench/core-uint-to-str.rs
@@ -10,18 +10,19 @@
 
 use std::os;
 use std::uint;
+use std::vec_ng::Vec;
 
 fn main() {
     let args = os::args();
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"10000000"]
+        vec!(~"", ~"10000000")
     } else if args.len() <= 1u {
-        ~[~"", ~"100000"]
+        vec!(~"", ~"100000")
     } else {
-        args
+        args.move_iter().collect()
     };
 
-    let n = from_str::<uint>(args[1]).unwrap();
+    let n = from_str::<uint>(*args.get(1)).unwrap();
 
     for i in range(0u, n) {
         let x = i.to_str();
diff --git a/src/test/bench/msgsend-pipes-shared.rs b/src/test/bench/msgsend-pipes-shared.rs
index 68f5bba159fc8..5b961a894dd16 100644
--- a/src/test/bench/msgsend-pipes-shared.rs
+++ b/src/test/bench/msgsend-pipes-shared.rs
@@ -24,6 +24,7 @@ use std::comm;
 use std::os;
 use std::task;
 use std::uint;
+use std::vec_ng::Vec;
 
 fn move_out<T>(_x: T) {}
 
@@ -59,7 +60,7 @@ fn run(args: &[~str]) {
     let workers = from_str::<uint>(args[2]).unwrap();
     let num_bytes = 100;
     let start = time::precise_time_s();
-    let mut worker_results = ~[];
+    let mut worker_results = Vec::new();
     for _ in range(0u, workers) {
         let to_child = to_child.clone();
         let mut builder = task::task();
@@ -96,13 +97,13 @@ fn run(args: &[~str]) {
 fn main() {
     let args = os::args();
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"1000000", ~"10000"]
+        vec!(~"", ~"1000000", ~"10000")
     } else if args.len() <= 1u {
-        ~[~"", ~"10000", ~"4"]
+        vec!(~"", ~"10000", ~"4")
     } else {
-        args.clone()
+        args.clone().move_iter().collect()
     };
 
     info!("{:?}", args);
-    run(args);
+    run(args.as_slice());
 }
diff --git a/src/test/bench/msgsend-pipes.rs b/src/test/bench/msgsend-pipes.rs
index 9da4a70656249..78e6a25ef92ba 100644
--- a/src/test/bench/msgsend-pipes.rs
+++ b/src/test/bench/msgsend-pipes.rs
@@ -19,6 +19,7 @@ extern crate time;
 use std::os;
 use std::task;
 use std::uint;
+use std::vec_ng::Vec;
 
 fn move_out<T>(_x: T) {}
 
@@ -53,7 +54,7 @@ fn run(args: &[~str]) {
     let workers = from_str::<uint>(args[2]).unwrap();
     let num_bytes = 100;
     let start = time::precise_time_s();
-    let mut worker_results = ~[];
+    let mut worker_results = Vec::new();
     let from_parent = if workers == 1 {
         let (from_parent, to_child) = Chan::new();
         let mut builder = task::task();
@@ -106,13 +107,13 @@ fn run(args: &[~str]) {
 fn main() {
     let args = os::args();
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"1000000", ~"8"]
+        vec!(~"", ~"1000000", ~"8")
     } else if args.len() <= 1u {
-        ~[~"", ~"10000", ~"4"]
+        vec!(~"", ~"10000", ~"4")
     } else {
-        args.clone()
+        args.clone().move_iter().collect()
     };
 
     info!("{:?}", args);
-    run(args);
+    run(args.as_slice());
 }
diff --git a/src/test/bench/msgsend-ring-mutex-arcs.rs b/src/test/bench/msgsend-ring-mutex-arcs.rs
index 6b91d1d534b62..96164d4e58432 100644
--- a/src/test/bench/msgsend-ring-mutex-arcs.rs
+++ b/src/test/bench/msgsend-ring-mutex-arcs.rs
@@ -23,9 +23,10 @@ use sync::MutexArc;
 use sync::Future;
 use std::os;
 use std::uint;
+use std::vec_ng::Vec;
 
 // A poor man's pipe.
-type pipe = MutexArc<~[uint]>;
+type pipe = MutexArc<Vec<uint> >;
 
 fn send(p: &pipe, msg: uint) {
     unsafe {
@@ -47,7 +48,7 @@ fn recv(p: &pipe) -> uint {
 }
 
 fn init() -> (pipe,pipe) {
-    let m = MutexArc::new(~[]);
+    let m = MutexArc::new(Vec::new());
     ((&m).clone(), m)
 }
 
@@ -71,22 +72,22 @@ fn thread_ring(i: uint, count: uint, num_chan: pipe, num_port: pipe) {
 fn main() {
     let args = os::args();
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"100", ~"10000"]
+        vec!(~"", ~"100", ~"10000")
     } else if args.len() <= 1u {
-        ~[~"", ~"10", ~"100"]
+        vec!(~"", ~"10", ~"100")
     } else {
-        args.clone()
+        args.clone().move_iter().collect()
     };
 
-    let num_tasks = from_str::<uint>(args[1]).unwrap();
-    let msg_per_task = from_str::<uint>(args[2]).unwrap();
+    let num_tasks = from_str::<uint>(*args.get(1)).unwrap();
+    let msg_per_task = from_str::<uint>(*args.get(2)).unwrap();
 
     let (mut num_chan, num_port) = init();
 
     let start = time::precise_time_s();
 
     // create the ring
-    let mut futures = ~[];
+    let mut futures = Vec::new();
 
     for i in range(1u, num_tasks) {
         //error!("spawning %?", i);
diff --git a/src/test/bench/msgsend-ring-rw-arcs.rs b/src/test/bench/msgsend-ring-rw-arcs.rs
index 2d52f125747e8..6c528912376c8 100644
--- a/src/test/bench/msgsend-ring-rw-arcs.rs
+++ b/src/test/bench/msgsend-ring-rw-arcs.rs
@@ -22,9 +22,10 @@ use sync::RWArc;
 use sync::Future;
 use std::os;
 use std::uint;
+use std::vec_ng::Vec;
 
 // A poor man's pipe.
-type pipe = RWArc<~[uint]>;
+type pipe = RWArc<Vec<uint> >;
 
 fn send(p: &pipe, msg: uint) {
     p.write_cond(|state, cond| {
@@ -42,7 +43,7 @@ fn recv(p: &pipe) -> uint {
 }
 
 fn init() -> (pipe,pipe) {
-    let x = RWArc::new(~[]);
+    let x = RWArc::new(Vec::new());
     ((&x).clone(), x)
 }
 
@@ -66,22 +67,22 @@ fn thread_ring(i: uint, count: uint, num_chan: pipe, num_port: pipe) {
 fn main() {
     let args = os::args();
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"100", ~"10000"]
+        vec!(~"", ~"100", ~"10000")
     } else if args.len() <= 1u {
-        ~[~"", ~"10", ~"100"]
+        vec!(~"", ~"10", ~"100")
     } else {
-        args.clone()
+        args.clone().move_iter().collect()
     };
 
-    let num_tasks = from_str::<uint>(args[1]).unwrap();
-    let msg_per_task = from_str::<uint>(args[2]).unwrap();
+    let num_tasks = from_str::<uint>(*args.get(1)).unwrap();
+    let msg_per_task = from_str::<uint>(*args.get(2)).unwrap();
 
     let (mut num_chan, num_port) = init();
 
     let start = time::precise_time_s();
 
     // create the ring
-    let mut futures = ~[];
+    let mut futures = Vec::new();
 
     for i in range(1u, num_tasks) {
         //error!("spawning %?", i);
diff --git a/src/test/bench/shootout-ackermann.rs b/src/test/bench/shootout-ackermann.rs
index d308ed6a7d1d7..f934771503d1d 100644
--- a/src/test/bench/shootout-ackermann.rs
+++ b/src/test/bench/shootout-ackermann.rs
@@ -11,6 +11,7 @@
 extern crate extra;
 
 use std::os;
+use std::vec_ng::Vec;
 
 fn ack(m: int, n: int) -> int {
     if m == 0 {
@@ -27,12 +28,12 @@ fn ack(m: int, n: int) -> int {
 fn main() {
     let args = os::args();
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"12"]
+        vec!(~"", ~"12")
     } else if args.len() <= 1u {
-        ~[~"", ~"8"]
+        vec!(~"", ~"8")
     } else {
-        args
+        args.move_iter().collect()
     };
-    let n = from_str::<int>(args[1]).unwrap();
+    let n = from_str::<int>(*args.get(1)).unwrap();
     println!("Ack(3,{}): {}\n", n, ack(3, n));
 }
diff --git a/src/test/bench/shootout-chameneos-redux.rs b/src/test/bench/shootout-chameneos-redux.rs
index a6bbea0ac14da..5de7c54b80d9f 100644
--- a/src/test/bench/shootout-chameneos-redux.rs
+++ b/src/test/bench/shootout-chameneos-redux.rs
@@ -15,6 +15,7 @@ extern crate extra;
 use std::option;
 use std::os;
 use std::task;
+use std::vec_ng::Vec;
 
 fn print_complements() {
     let all = [Blue, Red, Yellow];
@@ -41,7 +42,7 @@ fn show_color(cc: color) -> ~str {
     }
 }
 
-fn show_color_list(set: ~[color]) -> ~str {
+fn show_color_list(set: Vec<color>) -> ~str {
     let mut out = ~"";
     for col in set.iter() {
         out.push_char(' ');
@@ -134,7 +135,7 @@ fn creature(
     }
 }
 
-fn rendezvous(nn: uint, set: ~[color]) {
+fn rendezvous(nn: uint, set: Vec<color>) {
 
     // these ports will allow us to hear from the creatures
     let (from_creatures, to_rendezvous) = Chan::<CreatureInfo>::new();
@@ -143,7 +144,7 @@ fn rendezvous(nn: uint, set: ~[color]) {
     // these channels will be passed to the creatures so they can talk to us
 
     // these channels will allow us to talk to each creature by 'name'/index
-    let to_creature: ~[Chan<Option<CreatureInfo>>] =
+    let mut to_creature: Vec<Chan<Option<CreatureInfo>>> =
         set.iter().enumerate().map(|(ii, col)| {
             // create each creature as a listener with a port, and
             // give us a channel to talk to each
@@ -166,13 +167,13 @@ fn rendezvous(nn: uint, set: ~[color]) {
 
     // set up meetings...
     for _ in range(0, nn) {
-        let fst_creature: CreatureInfo = from_creatures.recv();
-        let snd_creature: CreatureInfo = from_creatures.recv();
+        let mut fst_creature: CreatureInfo = from_creatures.recv();
+        let mut snd_creature: CreatureInfo = from_creatures.recv();
 
         creatures_met += 2;
 
-        to_creature[fst_creature.name].send(Some(snd_creature));
-        to_creature[snd_creature.name].send(Some(fst_creature));
+        to_creature.get_mut(fst_creature.name).send(Some(snd_creature));
+        to_creature.get_mut(snd_creature.name).send(Some(fst_creature));
     }
 
     // tell each creature to stop
@@ -181,7 +182,7 @@ fn rendezvous(nn: uint, set: ~[color]) {
     }
 
     // save each creature's meeting stats
-    let mut report = ~[];
+    let mut report = Vec::new();
     for _to_one in to_creature.iter() {
         report.push(from_creatures_log.recv());
     }
@@ -201,21 +202,21 @@ fn rendezvous(nn: uint, set: ~[color]) {
 fn main() {
     let args = os::args();
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"200000"]
+        vec!(~"", ~"200000")
     } else if args.len() <= 1u {
-        ~[~"", ~"600"]
+        vec!(~"", ~"600")
     } else {
-        args
+        args.move_iter().collect()
     };
 
-    let nn = from_str::<uint>(args[1]).unwrap();
+    let nn = from_str::<uint>(*args.get(1)).unwrap();
 
     print_complements();
     println!("");
 
-    rendezvous(nn, ~[Blue, Red, Yellow]);
+    rendezvous(nn, vec!(Blue, Red, Yellow));
     println!("");
 
     rendezvous(nn,
-        ~[Blue, Red, Yellow, Red, Yellow, Blue, Red, Yellow, Red, Blue]);
+        vec!(Blue, Red, Yellow, Red, Yellow, Blue, Red, Yellow, Red, Blue));
 }
diff --git a/src/test/bench/shootout-fasta-redux.rs b/src/test/bench/shootout-fasta-redux.rs
index 532bc714d3165..b208c1c6e03d2 100644
--- a/src/test/bench/shootout-fasta-redux.rs
+++ b/src/test/bench/shootout-fasta-redux.rs
@@ -13,6 +13,7 @@ use std::io::{stdout, IoResult};
 use std::os;
 use std::vec::bytes::copy_memory;
 use std::vec;
+use std::vec_ng::Vec;
 
 static LINE_LEN: uint = 60;
 static LOOKUP_SIZE: uint = 4 * 1024;
@@ -59,8 +60,8 @@ static HOMO_SAPIENS: [AminoAcid, ..4] = [
 ];
 
 // FIXME: Use map().
-fn sum_and_scale(a: &'static [AminoAcid]) -> ~[AminoAcid] {
-    let mut result = ~[];
+fn sum_and_scale(a: &'static [AminoAcid]) -> Vec<AminoAcid> {
+    let mut result = Vec::new();
     let mut p = 0f32;
     for a_i in a.iter() {
         let mut a_i = *a_i;
@@ -68,7 +69,8 @@ fn sum_and_scale(a: &'static [AminoAcid]) -> ~[AminoAcid] {
         a_i.p = p * LOOKUP_SCALE;
         result.push(a_i);
     }
-    result[result.len() - 1].p = LOOKUP_SCALE;
+    let result_len = result.len();
+    result.get_mut(result_len - 1).p = LOOKUP_SCALE;
     result
 }
 
@@ -193,12 +195,12 @@ fn main() {
 
     out.write_line(">TWO IUB ambiguity codes").unwrap();
     let iub = sum_and_scale(IUB);
-    let mut random = RandomFasta::new(&mut out, iub);
+    let mut random = RandomFasta::new(&mut out, iub.as_slice());
     random.make(n * 3).unwrap();
 
     random.out.write_line(">THREE Homo sapiens frequency").unwrap();
     let homo_sapiens = sum_and_scale(HOMO_SAPIENS);
-    random.lookup = make_lookup(homo_sapiens);
+    random.lookup = make_lookup(homo_sapiens.as_slice());
     random.make(n * 5).unwrap();
 
     random.out.write_str("\n").unwrap();
diff --git a/src/test/bench/shootout-fasta.rs b/src/test/bench/shootout-fasta.rs
index ae0bd069c906d..017099bbafacd 100644
--- a/src/test/bench/shootout-fasta.rs
+++ b/src/test/bench/shootout-fasta.rs
@@ -18,6 +18,7 @@ use std::io;
 use std::io::{BufferedWriter, File};
 use std::cmp::min;
 use std::os;
+use std::vec_ng::Vec;
 
 static LINE_LENGTH: uint = 60;
 static IM: u32 = 139968;
@@ -36,8 +37,7 @@ impl MyRandom {
 
 struct AAGen<'a> {
     rng: &'a mut MyRandom,
-    data: ~[(u32, u8)]
-}
+    data: Vec<(u32, u8)> }
 impl<'a> AAGen<'a> {
     fn new<'b>(rng: &'b mut MyRandom, aa: &[(char, f32)]) -> AAGen<'b> {
         let mut cum = 0.;
diff --git a/src/test/bench/shootout-fibo.rs b/src/test/bench/shootout-fibo.rs
index 4a4b2e8e875ca..f09e6b017a97d 100644
--- a/src/test/bench/shootout-fibo.rs
+++ b/src/test/bench/shootout-fibo.rs
@@ -11,6 +11,7 @@
 extern crate extra;
 
 use std::os;
+use std::vec_ng::Vec;
 
 fn fib(n: int) -> int {
     if n < 2 {
@@ -23,12 +24,12 @@ fn fib(n: int) -> int {
 fn main() {
     let args = os::args();
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"40"]
+        vec!(~"", ~"40")
     } else if args.len() <= 1u {
-        ~[~"", ~"30"]
+        vec!(~"", ~"30")
     } else {
-        args
+        args.move_iter().collect()
     };
-    let n = from_str::<int>(args[1]).unwrap();
+    let n = from_str::<int>(*args.get(1)).unwrap();
     println!("{}\n", fib(n));
 }
diff --git a/src/test/bench/shootout-k-nucleotide-pipes.rs b/src/test/bench/shootout-k-nucleotide-pipes.rs
index 7188e119a8d63..fc5b0ef7051bb 100644
--- a/src/test/bench/shootout-k-nucleotide-pipes.rs
+++ b/src/test/bench/shootout-k-nucleotide-pipes.rs
@@ -25,7 +25,8 @@ use std::os;
 use std::io;
 use std::str;
 use std::task;
-use std::vec;
+use std::vec_ng::Vec;
+use std::vec_ng;
 
 fn f64_cmp(x: f64, y: f64) -> Ordering {
     // arbitrarily decide that NaNs are larger than everything.
@@ -43,19 +44,19 @@ fn f64_cmp(x: f64, y: f64) -> Ordering {
 }
 
 // given a map, print a sorted version of it
-fn sort_and_fmt(mm: &HashMap<~[u8], uint>, total: uint) -> ~str {
+fn sort_and_fmt(mm: &HashMap<Vec<u8> , uint>, total: uint) -> ~str {
    fn pct(xx: uint, yy: uint) -> f64 {
       return (xx as f64) * 100.0 / (yy as f64);
    }
 
    // sort by key, then by value
-   fn sortKV(mut orig: ~[(~[u8],f64)]) -> ~[(~[u8],f64)] {
+   fn sortKV(mut orig: Vec<(Vec<u8> ,f64)> ) -> Vec<(Vec<u8> ,f64)> {
         orig.sort_by(|&(ref a, _), &(ref b, _)| a.cmp(b));
         orig.sort_by(|&(_, a), &(_, b)| f64_cmp(b, a));
         orig
    }
 
-   let mut pairs = ~[];
+   let mut pairs = Vec::new();
 
    // map -> [(k,%)]
    for (key, &val) in mm.iter() {
@@ -69,7 +70,10 @@ fn sort_and_fmt(mm: &HashMap<~[u8], uint>, total: uint) -> ~str {
    for &(ref k, v) in pairs_sorted.iter() {
        unsafe {
            buffer.push_str(format!("{} {:0.3f}\n",
-                                   k.to_ascii().to_upper().into_str(), v));
+                                   k.as_slice()
+                                    .to_ascii()
+                                    .to_upper()
+                                    .into_str(), v));
        }
    }
 
@@ -77,7 +81,7 @@ fn sort_and_fmt(mm: &HashMap<~[u8], uint>, total: uint) -> ~str {
 }
 
 // given a map, search for the frequency of a pattern
-fn find(mm: &HashMap<~[u8], uint>, key: ~str) -> uint {
+fn find(mm: &HashMap<Vec<u8> , uint>, key: ~str) -> uint {
    let key = key.into_ascii().to_lower().into_str();
    match mm.find_equiv(&key.as_bytes()) {
       option::None      => { return 0u; }
@@ -86,8 +90,8 @@ fn find(mm: &HashMap<~[u8], uint>, key: ~str) -> uint {
 }
 
 // given a map, increment the counter for a key
-fn update_freq(mm: &mut HashMap<~[u8], uint>, key: &[u8]) {
-    let key = key.to_owned();
+fn update_freq(mm: &mut HashMap<Vec<u8> , uint>, key: &[u8]) {
+    let key = Vec::from_slice(key);
     let newval = match mm.pop(&key) {
         Some(v) => v + 1,
         None => 1
@@ -95,10 +99,10 @@ fn update_freq(mm: &mut HashMap<~[u8], uint>, key: &[u8]) {
     mm.insert(key, newval);
 }
 
-// given a ~[u8], for each window call a function
+// given a Vec<u8>, for each window call a function
 // i.e., for "hello" and windows of size four,
 // run it("hell") and it("ello"), then return "llo"
-fn windows_with_carry(bb: &[u8], nn: uint, it: |window: &[u8]|) -> ~[u8] {
+fn windows_with_carry(bb: &[u8], nn: uint, it: |window: &[u8]|) -> Vec<u8> {
    let mut ii = 0u;
 
    let len = bb.len();
@@ -107,24 +111,27 @@ fn windows_with_carry(bb: &[u8], nn: uint, it: |window: &[u8]|) -> ~[u8] {
       ii += 1u;
    }
 
-   return bb.slice(len - (nn - 1u), len).to_owned();
+   return Vec::from_slice(bb.slice(len - (nn - 1u), len));
 }
 
 fn make_sequence_processor(sz: uint,
-                           from_parent: &Port<~[u8]>,
+                           from_parent: &Port<Vec<u8> >,
                            to_parent: &Chan<~str>) {
-   let mut freqs: HashMap<~[u8], uint> = HashMap::new();
-   let mut carry: ~[u8] = ~[];
+   let mut freqs: HashMap<Vec<u8> , uint> = HashMap::new();
+   let mut carry: Vec<u8> = Vec::new();
    let mut total: uint = 0u;
 
-   let mut line: ~[u8];
+   let mut line: Vec<u8>;
 
    loop {
 
       line = from_parent.recv();
-      if line == ~[] { break; }
+      if line == Vec::new() { break; }
 
-       carry = windows_with_carry(carry + line, sz, |window| {
+       carry = windows_with_carry(vec_ng::append(carry,
+                                                 line.as_slice()).as_slice(),
+                                  sz,
+                                  |window| {
          update_freq(&mut freqs, window);
          total += 1u;
       });
@@ -157,9 +164,9 @@ fn main() {
     let mut rdr = BufferedReader::new(rdr);
 
     // initialize each sequence sorter
-    let sizes = ~[1u,2,3,4,6,12,18];
-    let mut streams = vec::from_fn(sizes.len(), |_| Some(Chan::<~str>::new()));
-    let mut from_child = ~[];
+    let sizes = vec!(1u,2,3,4,6,12,18);
+    let mut streams = Vec::from_fn(sizes.len(), |_| Some(Chan::<~str>::new()));
+    let mut from_child = Vec::new();
     let to_child   = sizes.iter().zip(streams.mut_iter()).map(|(sz, stream_ref)| {
         let sz = *sz;
         let stream = replace(stream_ref, None);
@@ -174,7 +181,7 @@ fn main() {
         });
 
         to_child
-    }).collect::<~[Chan<~[u8]>]>();
+    }).collect::<Vec<Chan<Vec<u8> >> >();
 
 
    // latch stores true after we've started
@@ -204,8 +211,8 @@ fn main() {
                let line_bytes = line.as_bytes();
 
                for (ii, _sz) in sizes.iter().enumerate() {
-                   let lb = line_bytes.to_owned();
-                   to_child[ii].send(lb);
+                   let lb = Vec::from_slice(line_bytes);
+                   to_child.get(ii).send(lb);
                }
            }
 
@@ -216,11 +223,11 @@ fn main() {
 
    // finish...
    for (ii, _sz) in sizes.iter().enumerate() {
-       to_child[ii].send(~[]);
+       to_child.get(ii).send(Vec::new());
    }
 
    // now fetch and print result messages
    for (ii, _sz) in sizes.iter().enumerate() {
-       println!("{}", from_child[ii].recv());
+       println!("{}", from_child.get(ii).recv());
    }
 }
diff --git a/src/test/bench/shootout-k-nucleotide.rs b/src/test/bench/shootout-k-nucleotide.rs
index 2ddea19b4c9df..a3b75ffe592dc 100644
--- a/src/test/bench/shootout-k-nucleotide.rs
+++ b/src/test/bench/shootout-k-nucleotide.rs
@@ -12,6 +12,7 @@
 
 use std::str;
 use std::vec;
+use std::vec_ng::Vec;
 
 static TABLE: [u8, ..4] = [ 'A' as u8, 'C' as u8, 'G' as u8, 'T' as u8 ];
 static TABLE_SIZE: uint = 2 << 16;
@@ -50,14 +51,14 @@ impl Code {
     // FIXME: Inefficient.
     fn unpack(&self, frame: i32) -> ~str {
         let mut key = self.hash();
-        let mut result = ~[];
+        let mut result = Vec::new();
         for _ in range(0, frame) {
             result.push(unpack_symbol((key as u8) & 3));
             key >>= 2;
         }
 
         result.reverse();
-        str::from_utf8_owned(result).unwrap()
+        str::from_utf8_owned(result.move_iter().collect()).unwrap()
     }
 }
 
@@ -92,8 +93,7 @@ struct Entry {
 
 struct Table {
     count: i32,
-    items: ~[Option<~Entry>]
-}
+    items: Vec<Option<~Entry>> }
 
 struct Items<'a> {
     cur: Option<&'a Entry>,
@@ -104,7 +104,7 @@ impl Table {
     fn new() -> Table {
         Table {
             count: 0,
-            items: vec::from_fn(TABLE_SIZE, |_| None),
+            items: Vec::from_fn(TABLE_SIZE, |_| None),
         }
     }
 
@@ -134,20 +134,20 @@ impl Table {
         let index = key.hash() % (TABLE_SIZE as u64);
 
         {
-            if self.items[index].is_none() {
+            if self.items.get(index as uint).is_none() {
                 let mut entry = ~Entry {
                     code: key,
                     count: 0,
                     next: None,
                 };
                 c.f(entry);
-                self.items[index] = Some(entry);
+                *self.items.get_mut(index as uint) = Some(entry);
                 return;
             }
         }
 
         {
-            let entry = &mut *self.items[index].get_mut_ref();
+            let entry = &mut *self.items.get_mut(index as uint).get_mut_ref();
             if entry.code == key {
                 c.f(*entry);
                 return;
@@ -237,11 +237,11 @@ fn generate_frequencies(frequencies: &mut Table,
 }
 
 fn print_frequencies(frequencies: &Table, frame: i32) {
-    let mut vector = ~[];
+    let mut vector = Vec::new();
     for entry in frequencies.iter() {
         vector.push((entry.code, entry.count));
     }
-    vector.sort();
+    vector.as_mut_slice().sort();
 
     let mut total_count = 0;
     for &(_, count) in vector.iter() {
diff --git a/src/test/bench/shootout-meteor.rs b/src/test/bench/shootout-meteor.rs
index 496e09b465164..fbe19af27fd90 100644
--- a/src/test/bench/shootout-meteor.rs
+++ b/src/test/bench/shootout-meteor.rs
@@ -12,6 +12,8 @@
 // Utilities.
 //
 
+use std::vec_ng::Vec;
+
 // returns an infinite iterator of repeated applications of f to x,
 // i.e. [x, f(x), f(f(x)), ...], as haskell iterate function.
 fn iterate<'a, T>(x: T, f: 'a |&T| -> T) -> Iterate<'a, T> {
@@ -63,8 +65,8 @@ impl<'a, T> Iterator<&'a T> for ListIterator<'a, T> {
 // corresponding mirrored piece), with, as minimum coordinates, (0,
 // 0).  If all is false, only generate half of the possibilities (used
 // to break the symetry of the board).
-fn transform(piece: ~[(int, int)], all: bool) -> ~[~[(int, int)]] {
-    let mut res =
+fn transform(piece: Vec<(int, int)> , all: bool) -> Vec<Vec<(int, int)>> {
+    let mut res: Vec<Vec<(int, int)>> =
         // rotations
         iterate(piece, |rot| rot.iter().map(|&(y, x)| (x + y, -y)).collect())
         .take(if all {6} else {3})
@@ -72,7 +74,7 @@ fn transform(piece: ~[(int, int)], all: bool) -> ~[~[(int, int)]] {
         .flat_map(|cur_piece| {
             iterate(cur_piece, |mir| mir.iter().map(|&(y, x)| (x, y)).collect())
             .take(2)
-        }).to_owned_vec();
+        }).collect();
 
     // translating to (0, 0) as minimum coordinates.
     for cur_piece in res.mut_iter() {
@@ -107,30 +109,30 @@ fn mask(dy: int, dx: int, id: uint, p: &[(int, int)]) -> Option<u64> {
 // Makes every possible masks.  masks[id][i] correspond to every
 // possible masks for piece with identifier id with minimum coordinate
 // (i/5, i%5).
-fn make_masks() -> ~[~[~[u64]]] {
-    let pieces = ~[
-        ~[(0,0),(0,1),(0,2),(0,3),(1,3)],
-        ~[(0,0),(0,2),(0,3),(1,0),(1,1)],
-        ~[(0,0),(0,1),(0,2),(1,2),(2,1)],
-        ~[(0,0),(0,1),(0,2),(1,1),(2,1)],
-        ~[(0,0),(0,2),(1,0),(1,1),(2,1)],
-        ~[(0,0),(0,1),(0,2),(1,1),(1,2)],
-        ~[(0,0),(0,1),(1,1),(1,2),(2,1)],
-        ~[(0,0),(0,1),(0,2),(1,0),(1,2)],
-        ~[(0,0),(0,1),(0,2),(1,2),(1,3)],
-        ~[(0,0),(0,1),(0,2),(0,3),(1,2)]];
-    let mut res = ~[];
+fn make_masks() -> Vec<Vec<Vec<u64> > > {
+    let pieces = vec!(
+        vec!((0,0),(0,1),(0,2),(0,3),(1,3)),
+        vec!((0,0),(0,2),(0,3),(1,0),(1,1)),
+        vec!((0,0),(0,1),(0,2),(1,2),(2,1)),
+        vec!((0,0),(0,1),(0,2),(1,1),(2,1)),
+        vec!((0,0),(0,2),(1,0),(1,1),(2,1)),
+        vec!((0,0),(0,1),(0,2),(1,1),(1,2)),
+        vec!((0,0),(0,1),(1,1),(1,2),(2,1)),
+        vec!((0,0),(0,1),(0,2),(1,0),(1,2)),
+        vec!((0,0),(0,1),(0,2),(1,2),(1,3)),
+        vec!((0,0),(0,1),(0,2),(0,3),(1,2)));
+    let mut res = Vec::new();
     for (id, p) in pieces.move_iter().enumerate() {
         // To break the central symetry of the problem, every
         // transformation must be taken except for one piece (piece 3
         // here).
         let trans = transform(p, id != 3);
-        let mut cur_piece = ~[];
+        let mut cur_piece = Vec::new();
         for dy in range(0, 10) {
             for dx in range(0, 5) {
                 let masks =
                     trans.iter()
-                    .filter_map(|t| mask(dy, dx, id, *t))
+                    .filter_map(|t| mask(dy, dx, id, t.as_slice()))
                     .collect();
                 cur_piece.push(masks);
             }
@@ -142,12 +144,12 @@ fn make_masks() -> ~[~[~[u64]]] {
 
 // Check if all coordinates can be covered by an unused piece and that
 // all unused piece can be placed on the board.
-fn is_board_unfeasible(board: u64, masks: &[~[~[u64]]]) -> bool {
+fn is_board_unfeasible(board: u64, masks: &[Vec<Vec<u64> > ]) -> bool {
     let mut coverable = board;
     for i in range(0, 50).filter(|&i| board & 1 << i == 0) {
         for (cur_id, pos_masks) in masks.iter().enumerate() {
             if board & 1 << (50 + cur_id) != 0 {continue;}
-            for &cur_m in pos_masks[i].iter() {
+            for &cur_m in pos_masks.get(i as uint).iter() {
                 if cur_m & board == 0 {coverable |= cur_m;}
             }
         }
@@ -159,7 +161,7 @@ fn is_board_unfeasible(board: u64, masks: &[~[~[u64]]]) -> bool {
 }
 
 // Filter the masks that we can prove to result to unfeasible board.
-fn filter_masks(masks: &[~[~[u64]]]) -> ~[~[~[u64]]] {
+fn filter_masks(masks: &[Vec<Vec<u64> > ]) -> Vec<Vec<Vec<u64> > > {
     masks.iter().map(
         |p| p.iter().map(
             |p| p.iter()
@@ -180,14 +182,16 @@ fn get_id(m: u64) -> u8 {
 
 // Converts a list of mask to a ~str.
 fn to_utf8(raw_sol: &List<u64>) -> ~str {
-    let mut sol: ~[u8] = std::vec::from_elem(50, '.' as u8);
+    let mut sol: Vec<u8> = Vec::from_elem(50, '.' as u8);
     for &m in raw_sol.iter() {
         let id = get_id(m);
         for i in range(0, 50) {
-            if m & 1 << i != 0 {sol[i] = '0' as u8 + id;}
+            if m & 1 << i != 0 {
+                *sol.get_mut(i as uint) = '0' as u8 + id;
+            }
         }
     }
-    std::str::from_utf8_owned(sol).unwrap()
+    std::str::from_utf8_owned(sol.move_iter().collect()).unwrap()
 }
 
 // Prints a solution in ~str form.
@@ -237,7 +241,7 @@ fn handle_sol(raw_sol: &List<u64>, data: &mut Data) -> bool {
 // Search for every solutions.  Returns false if the search was
 // stopped before the end.
 fn search(
-    masks: &[~[~[u64]]],
+    masks: &[Vec<Vec<u64> > ],
     board: u64,
     mut i: int,
     cur: List<u64>,
@@ -252,7 +256,9 @@ fn search(
     // for every unused piece
     for id in range(0, 10).filter(|id| board & (1 << (id + 50)) == 0) {
         // for each mask that fits on the board
-        for &m in masks[id][i].iter().filter(|&m| board & *m == 0) {
+        for &m in masks[id].get(i as uint)
+                           .iter()
+                           .filter(|&m| board & *m == 0) {
             // This check is too costy.
             //if is_board_unfeasible(board | m, masks) {continue;}
             if !search(masks, board | m, i + 1, Cons(m, &cur), data) {
@@ -271,9 +277,9 @@ fn main () {
         from_str(args[1]).unwrap()
     };
     let masks = make_masks();
-    let masks = filter_masks(masks);
+    let masks = filter_masks(masks.as_slice());
     let mut data = Data {stop_after: stop_after, nb: 0, min: ~"", max: ~""};
-    search(masks, 0, 0, Nil, &mut data);
+    search(masks.as_slice(), 0, 0, Nil, &mut data);
     println!("{} solutions found", data.nb);
     print_sol(data.min);
     print_sol(data.max);
diff --git a/src/test/bench/shootout-nbody.rs b/src/test/bench/shootout-nbody.rs
index ce49b8b2141ef..b4c96a48ded75 100644
--- a/src/test/bench/shootout-nbody.rs
+++ b/src/test/bench/shootout-nbody.rs
@@ -9,6 +9,7 @@
 // except according to those terms.
 
 use std::os;
+use std::vec_ng::Vec;
 
 static PI: f64 = 3.141592653589793;
 static SOLAR_MASS: f64 = 4.0 * PI * PI;
@@ -148,14 +149,14 @@ fn offset_momentum(bodies: &mut [Planet, ..N_BODIES]) {
 fn main() {
     let args = os::args();
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"1000"]
+        vec!(~"", ~"1000")
     } else if args.len() <= 1u {
-        ~[~"", ~"1000"]
+        vec!(~"", ~"1000")
     } else {
-        args
+        args.move_iter().collect()
     };
 
-    let n: i32 = from_str::<i32>(args[1]).unwrap();
+    let n: i32 = from_str::<i32>(*args.get(1)).unwrap();
     let mut bodies = BODIES;
 
     offset_momentum(&mut bodies);
diff --git a/src/test/bench/shootout-pfib.rs b/src/test/bench/shootout-pfib.rs
index 11a843d6cb573..36722dabbb04a 100644
--- a/src/test/bench/shootout-pfib.rs
+++ b/src/test/bench/shootout-pfib.rs
@@ -25,6 +25,7 @@ use std::os;
 use std::result::{Ok, Err};
 use std::task;
 use std::uint;
+use std::vec_ng::Vec;
 
 fn fib(n: int) -> int {
     fn pfib(c: &Chan<int>, n: int) {
@@ -51,12 +52,12 @@ struct Config {
     stress: bool
 }
 
-fn parse_opts(argv: ~[~str]) -> Config {
-    let opts = ~[getopts::optflag("", "stress", "")];
+fn parse_opts(argv: Vec<~str> ) -> Config {
+    let opts = vec!(getopts::optflag("", "stress", ""));
 
     let opt_args = argv.slice(1, argv.len());
 
-    match getopts::getopts(opt_args, opts) {
+    match getopts::getopts(opt_args, opts.as_slice()) {
       Ok(ref m) => {
           return Config {stress: m.opt_present("stress")}
       }
@@ -75,7 +76,7 @@ fn stress_task(id: int) {
 }
 
 fn stress(num_tasks: int) {
-    let mut results = ~[];
+    let mut results = Vec::new();
     for i in range(0, num_tasks) {
         let mut builder = task::task();
         results.push(builder.future_result());
@@ -91,11 +92,11 @@ fn stress(num_tasks: int) {
 fn main() {
     let args = os::args();
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"20"]
+        vec!(~"", ~"20")
     } else if args.len() <= 1u {
-        ~[~"", ~"8"]
+        vec!(~"", ~"8")
     } else {
-        args
+        args.move_iter().collect()
     };
 
     let opts = parse_opts(args.clone());
@@ -103,7 +104,8 @@ fn main() {
     if opts.stress {
         stress(2);
     } else {
-        let max = uint::parse_bytes(args[1].as_bytes(), 10u).unwrap() as int;
+        let max = uint::parse_bytes(args.get(1).as_bytes(), 10u).unwrap() as
+            int;
 
         let num_trials = 10;
 
diff --git a/src/test/bench/shootout-spectralnorm.rs b/src/test/bench/shootout-spectralnorm.rs
index 7a393ad785081..7674a917a673d 100644
--- a/src/test/bench/shootout-spectralnorm.rs
+++ b/src/test/bench/shootout-spectralnorm.rs
@@ -29,14 +29,15 @@ fn dot(v: &[f64], u: &[f64]) -> f64 {
     sum
 }
 
-fn mult(v: RWArc<~[f64]>, out: RWArc<~[f64]>, f: fn(&~[f64], uint) -> f64) {
-    // We lanch in different tasks the work to be done.  To finish
+fn mult(v: RWArc<Vec<f64>>,
+        out: RWArc<Vec<f64>>,
+        f: fn(&Vec<f64>, uint) -> f64) {
+    // We launch in different tasks the work to be done.  To finish
     // this fuction, we need to wait for the completion of every
     // tasks.  To do that, we give to each tasks a wait_chan that we
     // drop at the end of the work.  At the end of this function, we
     // wait until the channel hang up.
     let (wait_port, wait_chan) = Chan::new();
-
     let len = out.read(|out| out.len());
     let chunk = len / 100 + 1;
     for chk in count(0, chunk) {
@@ -58,7 +59,7 @@ fn mult(v: RWArc<~[f64]>, out: RWArc<~[f64]>, f: fn(&~[f64], uint) -> f64) {
     for () in wait_port.iter() {}
 }
 
-fn mult_Av_impl(v: &~[f64], i: uint) -> f64 {
+fn mult_Av_impl(v: &Vec<f64> , i: uint) -> f64 {
     let mut sum = 0.;
     for (j, &v_j) in v.iter().enumerate() {
         sum += v_j / A(i, j);
@@ -66,11 +67,11 @@ fn mult_Av_impl(v: &~[f64], i: uint) -> f64 {
     sum
 }
 
-fn mult_Av(v: RWArc<~[f64]>, out: RWArc<~[f64]>) {
+fn mult_Av(v: RWArc<Vec<f64> >, out: RWArc<Vec<f64> >) {
     mult(v, out, mult_Av_impl);
 }
 
-fn mult_Atv_impl(v: &~[f64], i: uint) -> f64 {
+fn mult_Atv_impl(v: &Vec<f64> , i: uint) -> f64 {
     let mut sum = 0.;
     for (j, &v_j) in v.iter().enumerate() {
         sum += v_j / A(j, i);
@@ -78,11 +79,11 @@ fn mult_Atv_impl(v: &~[f64], i: uint) -> f64 {
     sum
 }
 
-fn mult_Atv(v: RWArc<~[f64]>, out: RWArc<~[f64]>) {
+fn mult_Atv(v: RWArc<Vec<f64> >, out: RWArc<Vec<f64> >) {
     mult(v, out, mult_Atv_impl);
 }
 
-fn mult_AtAv(v: RWArc<~[f64]>, out: RWArc<~[f64]>, tmp: RWArc<~[f64]>) {
+fn mult_AtAv(v: RWArc<Vec<f64> >, out: RWArc<Vec<f64> >, tmp: RWArc<Vec<f64> >) {
     mult_Av(v, tmp.clone());
     mult_Atv(tmp, out);
 }
diff --git a/src/test/bench/shootout-threadring.rs b/src/test/bench/shootout-threadring.rs
index 6ce6fb503a1d8..a442e5340296a 100644
--- a/src/test/bench/shootout-threadring.rs
+++ b/src/test/bench/shootout-threadring.rs
@@ -58,19 +58,18 @@ fn main() {
     use std::from_str::FromStr;
 
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"2000000", ~"503"]
-    }
-    else {
-        os::args()
+        vec!(~"", ~"2000000", ~"503")
+    } else {
+        os::args().move_iter().collect()
     };
     let token = if args.len() > 1u {
-        FromStr::from_str(args[1]).unwrap()
+        FromStr::from_str(*args.get(1)).unwrap()
     }
     else {
         1000
     };
     let n_tasks = if args.len() > 2u {
-        FromStr::from_str(args[2]).unwrap()
+        FromStr::from_str(*args.get(2)).unwrap()
     }
     else {
         503
diff --git a/src/test/bench/std-smallintmap.rs b/src/test/bench/std-smallintmap.rs
index 98deeec7e1818..7bafdd81b7cc7 100644
--- a/src/test/bench/std-smallintmap.rs
+++ b/src/test/bench/std-smallintmap.rs
@@ -16,6 +16,7 @@ extern crate time;
 use collections::SmallIntMap;
 use std::os;
 use std::uint;
+use std::vec_ng::Vec;
 
 fn append_sequential(min: uint, max: uint, map: &mut SmallIntMap<uint>) {
     for i in range(min, max) {
@@ -32,14 +33,14 @@ fn check_sequential(min: uint, max: uint, map: &SmallIntMap<uint>) {
 fn main() {
     let args = os::args();
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"100000", ~"100"]
+        vec!(~"", ~"100000", ~"100")
     } else if args.len() <= 1u {
-        ~[~"", ~"10000", ~"50"]
+        vec!(~"", ~"10000", ~"50")
     } else {
-        args
+        args.move_iter().collect()
     };
-    let max = from_str::<uint>(args[1]).unwrap();
-    let rep = from_str::<uint>(args[2]).unwrap();
+    let max = from_str::<uint>(*args.get(1)).unwrap();
+    let rep = from_str::<uint>(*args.get(2)).unwrap();
 
     let mut checkf = 0.0;
     let mut appendf = 0.0;
diff --git a/src/test/bench/sudoku.rs b/src/test/bench/sudoku.rs
index b77180e8e4ccf..6e58aa583123f 100644
--- a/src/test/bench/sudoku.rs
+++ b/src/test/bench/sudoku.rs
@@ -20,6 +20,7 @@ use std::io::BufferedReader;
 use std::os;
 use std::intrinsics::cttz16;
 use std::vec;
+use std::vec_ng::Vec;
 
 // Computes a single solution to a given 9x9 sudoku
 //
@@ -38,7 +39,7 @@ use std::vec;
 //
 
 // internal type of sudoku grids
-type grid = ~[~[u8]];
+type grid = Vec<Vec<u8> > ;
 
 struct Sudoku {
     grid: grid
@@ -50,8 +51,8 @@ impl Sudoku {
     }
 
     pub fn from_vec(vec: &[[u8, ..9], ..9]) -> Sudoku {
-        let g = vec::from_fn(9u, |i| {
-            vec::from_fn(9u, |j| { vec[i][j] })
+        let g = Vec::from_fn(9u, |i| {
+            Vec::from_fn(9u, |j| { vec[i][j] })
         });
         return Sudoku::new(g)
     }
@@ -59,7 +60,8 @@ impl Sudoku {
     pub fn equal(&self, other: &Sudoku) -> bool {
         for row in range(0u8, 9u8) {
             for col in range(0u8, 9u8) {
-                if self.grid[row][col] != other.grid[row][col] {
+                if *self.grid.get(row as uint).get(col as uint) !=
+                        *other.grid.get(row as uint).get(col as uint) {
                     return false;
                 }
             }
@@ -70,14 +72,15 @@ impl Sudoku {
     pub fn read(mut reader: BufferedReader<StdReader>) -> Sudoku {
         assert!(reader.read_line().unwrap() == ~"9,9"); /* assert first line is exactly "9,9" */
 
-        let mut g = vec::from_fn(10u, { |_i| ~[0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8] });
+        let mut g = Vec::from_fn(10u, { |_i| vec!(0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8) });
         for line in reader.lines() {
-            let comps: ~[&str] = line.trim().split(',').collect();
+            let comps: Vec<&str> = line.trim().split(',').collect();
 
             if comps.len() == 3u {
-                let row     = from_str::<uint>(comps[0]).unwrap() as u8;
-                let col     = from_str::<uint>(comps[1]).unwrap() as u8;
-                g[row][col] = from_str::<uint>(comps[2]).unwrap() as u8;
+                let row     = from_str::<uint>(*comps.get(0)).unwrap() as u8;
+                let col     = from_str::<uint>(*comps.get(1)).unwrap() as u8;
+                *g.get_mut(row as uint).get_mut(col as uint) =
+                    from_str::<uint>(*comps.get(2)).unwrap() as u8;
             }
             else {
                 fail!("Invalid sudoku file");
@@ -88,9 +91,11 @@ impl Sudoku {
 
     pub fn write(&self, writer: &mut io::Writer) {
         for row in range(0u8, 9u8) {
-            write!(writer, "{}", self.grid[row][0]);
+            write!(writer, "{}", *self.grid.get(row as uint).get(0));
             for col in range(1u8, 9u8) {
-                write!(writer, " {}", self.grid[row][col]);
+                write!(writer, " {}", *self.grid
+                                           .get(row as uint)
+                                           .get(col as uint));
             }
             write!(writer, "\n");
          }
@@ -98,10 +103,10 @@ impl Sudoku {
 
     // solve sudoku grid
     pub fn solve(&mut self) {
-        let mut work: ~[(u8, u8)] = ~[]; /* queue of uncolored fields */
+        let mut work: Vec<(u8, u8)> = Vec::new(); /* queue of uncolored fields */
         for row in range(0u8, 9u8) {
             for col in range(0u8, 9u8) {
-                let color = self.grid[row][col];
+                let color = *self.grid.get(row as uint).get(col as uint);
                 if color == 0u8 {
                     work.push((row, col));
                 }
@@ -111,9 +116,11 @@ impl Sudoku {
         let mut ptr = 0u;
         let end = work.len();
         while ptr < end {
-            let (row, col) = work[ptr];
+            let (row, col) = *work.get(ptr);
             // is there another color to try?
-            if self.next_color(row, col, self.grid[row][col] + (1 as u8)) {
+            let the_color = *self.grid.get(row as uint).get(col as uint) +
+                                (1 as u8);
+            if self.next_color(row, col, the_color) {
                 //  yes: advance work list
                 ptr = ptr + 1u;
             } else {
@@ -134,18 +141,22 @@ impl Sudoku {
 
             // find first remaining color that is available
             let next = avail.next();
-            self.grid[row][col] = next;
+            *self.grid.get_mut(row as uint).get_mut(col as uint) = next;
             return 0u8 != next;
         }
-        self.grid[row][col] = 0u8;
+        *self.grid.get_mut(row as uint).get_mut(col as uint) = 0u8;
         return false;
     }
 
     // find colors available in neighbourhood of (row, col)
     fn drop_colors(&mut self, avail: &mut Colors, row: u8, col: u8) {
         for idx in range(0u8, 9u8) {
-            avail.remove(self.grid[idx][col]); /* check same column fields */
-            avail.remove(self.grid[row][idx]); /* check same row fields */
+            avail.remove(*self.grid
+                              .get(idx as uint)
+                              .get(col as uint)); /* check same column fields */
+            avail.remove(*self.grid
+                              .get(row as uint)
+                              .get(idx as uint)); /* check same row fields */
         }
 
         // check same block fields
@@ -153,7 +164,9 @@ impl Sudoku {
         let col0 = (col / 3u8) * 3u8;
         for alt_row in range(row0, row0 + 3u8) {
             for alt_col in range(col0, col0 + 3u8) {
-                avail.remove(self.grid[alt_row][alt_col]);
+                avail.remove(*self.grid
+                                  .get(alt_row as uint)
+                                  .get(alt_col as uint));
             }
         }
     }
diff --git a/src/test/bench/task-perf-alloc-unwind.rs b/src/test/bench/task-perf-alloc-unwind.rs
index d4f9d0572b0fe..78c282b98cc78 100644
--- a/src/test/bench/task-perf-alloc-unwind.rs
+++ b/src/test/bench/task-perf-alloc-unwind.rs
@@ -17,6 +17,8 @@ use collections::list::{List, Cons, Nil};
 use time::precise_time_s;
 use std::os;
 use std::task;
+use std::vec_ng::Vec;
+use std::vec_ng;
 
 enum UniqueList {
     ULNil, ULCons(~UniqueList)
@@ -50,7 +52,7 @@ struct State {
     managed: @nillist,
     unique: ~nillist,
     tuple: (@nillist, ~nillist),
-    vec: ~[@nillist],
+    vec: Vec<@nillist>,
     res: r
 }
 
@@ -82,7 +84,7 @@ fn recurse_or_fail(depth: int, st: Option<State>) {
                 managed: @Nil,
                 unique: ~Nil,
                 tuple: (@Nil, ~Nil),
-                vec: ~[@Nil],
+                vec: vec!(@Nil),
                 res: r(@Nil)
             }
           }
@@ -92,7 +94,8 @@ fn recurse_or_fail(depth: int, st: Option<State>) {
                 unique: ~Cons((), @*st.unique),
                 tuple: (@Cons((), st.tuple.ref0().clone()),
                         ~Cons((), @*st.tuple.ref1().clone())),
-                vec: st.vec + &[@Cons((), *st.vec.last().unwrap())],
+                vec: vec_ng::append(st.vec.clone(),
+                     &[@Cons((), *st.vec.last().unwrap())]),
                 res: r(@Cons((), st.res._l))
             }
           }
diff --git a/src/test/bench/task-perf-jargon-metal-smoke.rs b/src/test/bench/task-perf-jargon-metal-smoke.rs
index 98dde73e59679..62838ad1a347a 100644
--- a/src/test/bench/task-perf-jargon-metal-smoke.rs
+++ b/src/test/bench/task-perf-jargon-metal-smoke.rs
@@ -21,6 +21,7 @@ use std::comm;
 use std::os;
 use std::task;
 use std::uint;
+use std::vec_ng::Vec;
 
 fn child_generation(gens_left: uint, c: comm::Chan<()>) {
     // This used to be O(n^2) in the number of generations that ever existed.
@@ -41,15 +42,15 @@ fn child_generation(gens_left: uint, c: comm::Chan<()>) {
 fn main() {
     let args = os::args();
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"100000"]
+        vec!(~"", ~"100000")
     } else if args.len() <= 1 {
-        ~[~"", ~"100"]
+        vec!(~"", ~"100")
     } else {
-        args.clone()
+        args.clone().move_iter().collect()
     };
 
     let (p,c) = Chan::new();
-    child_generation(from_str::<uint>(args[1]).unwrap(), c);
+    child_generation(from_str::<uint>(*args.get(1)).unwrap(), c);
     if p.recv_opt().is_none() {
         fail!("it happened when we slumbered");
     }
diff --git a/src/test/bench/task-perf-one-million.rs b/src/test/bench/task-perf-one-million.rs
index 5eb597ac9cdf7..dcd5df2b21cff 100644
--- a/src/test/bench/task-perf-one-million.rs
+++ b/src/test/bench/task-perf-one-million.rs
@@ -19,7 +19,7 @@ use std::vec;
 
 fn calc(children: uint, parent_wait_chan: &Chan<Chan<Chan<int>>>) {
 
-    let wait_ports: ~[Port<Chan<Chan<int>>>] = vec::from_fn(children, |_| {
+    let wait_ports: Vec<Port<Chan<Chan<int>>>> = vec::from_fn(children, |_| {
         let (wait_port, wait_chan) = stream::<Chan<Chan<int>>>();
         task::spawn(proc() {
             calc(children / 2, &wait_chan);
@@ -27,14 +27,14 @@ fn calc(children: uint, parent_wait_chan: &Chan<Chan<Chan<int>>>) {
         wait_port
     });
 
-    let child_start_chans: ~[Chan<Chan<int>>] =
+    let child_start_chans: Vec<Chan<Chan<int>>> =
         wait_ports.move_iter().map(|port| port.recv()).collect();
 
     let (start_port, start_chan) = stream::<Chan<int>>();
     parent_wait_chan.send(start_chan);
     let parent_result_chan: Chan<int> = start_port.recv();
 
-    let child_sum_ports: ~[Port<int>] =
+    let child_sum_ports: Vec<Port<int>> =
         child_start_chans.move_iter().map(|child_start_chan| {
             let (child_sum_port, child_sum_chan) = stream::<int>();
             child_start_chan.send(child_sum_chan);
@@ -49,9 +49,9 @@ fn calc(children: uint, parent_wait_chan: &Chan<Chan<Chan<int>>>) {
 fn main() {
     let args = os::args();
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"30"]
+        vec!(~"", ~"30")
     } else if args.len() <= 1u {
-        ~[~"", ~"10"]
+        vec!(~"", ~"10")
     } else {
         args
     };
diff --git a/src/test/bench/task-perf-spawnalot.rs b/src/test/bench/task-perf-spawnalot.rs
index e322aceb5e661..c5da4a4359364 100644
--- a/src/test/bench/task-perf-spawnalot.rs
+++ b/src/test/bench/task-perf-spawnalot.rs
@@ -11,6 +11,7 @@
 use std::os;
 use std::task;
 use std::uint;
+use std::vec_ng::Vec;
 
 fn f(n: uint) {
     let mut i = 0u;
@@ -25,13 +26,13 @@ fn g() { }
 fn main() {
     let args = os::args();
     let args = if os::getenv("RUST_BENCH").is_some() {
-        ~[~"", ~"400"]
+        vec!(~"", ~"400")
     } else if args.len() <= 1u {
-        ~[~"", ~"10"]
+        vec!(~"", ~"10")
     } else {
-        args
+        args.move_iter().collect()
     };
-    let n = from_str::<uint>(args[1]).unwrap();
+    let n = from_str::<uint>(*args.get(1)).unwrap();
     let mut i = 0u;
     while i < n { task::spawn(proc() f(n) ); i += 1u; }
 }
diff --git a/src/test/compile-fail/access-mode-in-closures.rs b/src/test/compile-fail/access-mode-in-closures.rs
index ef853f57ef5e1..8dbf292277be9 100644
--- a/src/test/compile-fail/access-mode-in-closures.rs
+++ b/src/test/compile-fail/access-mode-in-closures.rs
@@ -8,10 +8,11 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
 
-struct sty(~[int]);
+struct sty(Vec<int> );
 
-fn unpack(_unpack: |v: &sty| -> ~[int]) {}
+fn unpack(_unpack: |v: &sty| -> Vec<int> ) {}
 
 fn main() {
     let _foo = unpack(|s| {
diff --git a/src/test/compile-fail/ambig_impl_unify.rs b/src/test/compile-fail/ambig_impl_unify.rs
index 1327f69630b1b..24a4c9863f76e 100644
--- a/src/test/compile-fail/ambig_impl_unify.rs
+++ b/src/test/compile-fail/ambig_impl_unify.rs
@@ -8,19 +8,21 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 trait foo {
     fn foo(&self) -> int;
 }
 
-impl foo for ~[uint] {
-    fn foo(&self) -> int {1} //~ NOTE candidate #1 is `~[uint].foo::foo`
+impl foo for Vec<uint> {
+    fn foo(&self) -> int {1} //~ NOTE candidate #1 is `Vec<uint>.foo::foo`
 }
 
-impl foo for ~[int] {
-    fn foo(&self) -> int {2} //~ NOTE candidate #2 is `~[int].foo::foo`
+impl foo for Vec<int> {
+    fn foo(&self) -> int {2} //~ NOTE candidate #2 is `Vec<int>.foo::foo`
 }
 
 fn main() {
-    let x = ~[];
+    let x = Vec::new();
     x.foo(); //~ ERROR multiple applicable methods in scope
 }
diff --git a/src/test/compile-fail/auto-ref-slice-plus-ref.rs b/src/test/compile-fail/auto-ref-slice-plus-ref.rs
index 6a0f5a39202a9..8810421f6c412 100644
--- a/src/test/compile-fail/auto-ref-slice-plus-ref.rs
+++ b/src/test/compile-fail/auto-ref-slice-plus-ref.rs
@@ -17,7 +17,7 @@ fn main() {
     // reference.  That would allow creating a mutable pointer to a
     // temporary, which would be a source of confusion
 
-    let mut a = ~[0];
+    let mut a = vec!(0);
     a.test_mut(); //~ ERROR does not implement any method in scope named `test_mut`
 }
 
diff --git a/src/test/compile-fail/bad-expr-path.rs b/src/test/compile-fail/bad-expr-path.rs
index c17baf40d6446..6e73427f80f95 100644
--- a/src/test/compile-fail/bad-expr-path.rs
+++ b/src/test/compile-fail/bad-expr-path.rs
@@ -12,4 +12,4 @@
 
 mod m1 {}
 
-fn main(args: ~[str]) { log(debug, m1::a); }
+fn main(args: Vec<~str>) { log(debug, m1::a); }
diff --git a/src/test/compile-fail/bad-expr-path2.rs b/src/test/compile-fail/bad-expr-path2.rs
index 936f893ae8e66..d2b3a57868683 100644
--- a/src/test/compile-fail/bad-expr-path2.rs
+++ b/src/test/compile-fail/bad-expr-path2.rs
@@ -14,4 +14,6 @@ mod m1 {
     pub mod a {}
 }
 
-fn main(args: ~[str]) { log(debug, m1::a); }
+fn main(args: Vec<~str>) {
+    log(debug, m1::a);
+}
diff --git a/src/test/compile-fail/bad-module.rs b/src/test/compile-fail/bad-module.rs
index 90164c52bc757..edc118cb0399b 100644
--- a/src/test/compile-fail/bad-module.rs
+++ b/src/test/compile-fail/bad-module.rs
@@ -10,4 +10,4 @@
 
 // error-pattern: unresolved name
 
-fn main() { let foo = thing::len(~[]); }
+fn main() { let foo = thing::len(Vec::new()); }
diff --git a/src/test/compile-fail/borrowck-assign-comp-idx.rs b/src/test/compile-fail/borrowck-assign-comp-idx.rs
index dec248a3015d5..8c0826a329965 100644
--- a/src/test/compile-fail/borrowck-assign-comp-idx.rs
+++ b/src/test/compile-fail/borrowck-assign-comp-idx.rs
@@ -14,12 +14,12 @@ struct Point {
 }
 
 fn a() {
-    let mut p = ~[1];
+    let mut p = vec!(1);
 
     // Create an immutable pointer into p's contents:
-    let q: &int = &p[0];
+    let q: &int = p.get(0);
 
-    p[0] = 5; //~ ERROR cannot assign
+    *p.get_mut(0) = 5; //~ ERROR cannot borrow
 
     info!("{}", *q);
 }
@@ -30,19 +30,19 @@ fn b() {
     // here we alias the mutable vector into an imm slice and try to
     // modify the original:
 
-    let mut p = ~[1];
+    let mut p = vec!(1);
 
     borrow(
-        p,
-        || p[0] = 5); //~ ERROR cannot borrow `p` as mutable
+        p.as_slice(),
+        || *p.get_mut(0) = 5); //~ ERROR cannot borrow `p` as mutable
 }
 
 fn c() {
     // Legal because the scope of the borrow does not include the
     // modification:
-    let mut p = ~[1];
-    borrow(p, ||{});
-    p[0] = 5;
+    let mut p = vec!(1);
+    borrow(p.as_slice(), ||{});
+    *p.get_mut(0) = 5;
 }
 
 fn main() {
diff --git a/src/test/compile-fail/borrowck-borrowed-uniq-rvalue-2.rs b/src/test/compile-fail/borrowck-borrowed-uniq-rvalue-2.rs
index 646ec69286304..f4d7f3ab77ed0 100644
--- a/src/test/compile-fail/borrowck-borrowed-uniq-rvalue-2.rs
+++ b/src/test/compile-fail/borrowck-borrowed-uniq-rvalue-2.rs
@@ -28,6 +28,7 @@ fn defer<'r>(x: &'r [&'r str]) -> defer<'r> {
 }
 
 fn main() {
-    let x = defer(~["Goodbye", "world!"]); //~ ERROR borrowed value does not live long enough
+    let x = defer(vec!("Goodbye", "world!").as_slice());
+    //~^ ERROR borrowed value does not live long enough
     x.x[0];
 }
diff --git a/src/test/compile-fail/borrowck-init-op-equal.rs b/src/test/compile-fail/borrowck-init-op-equal.rs
index cbe805551c200..8d4cb6714bcb0 100644
--- a/src/test/compile-fail/borrowck-init-op-equal.rs
+++ b/src/test/compile-fail/borrowck-init-op-equal.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 fn test() {
     let v: int;
     v += 1; //~ ERROR use of possibly uninitialized variable: `v`
diff --git a/src/test/compile-fail/borrowck-loan-vec-content.rs b/src/test/compile-fail/borrowck-loan-vec-content.rs
index 0e721d7107f8b..393b528869a94 100644
--- a/src/test/compile-fail/borrowck-loan-vec-content.rs
+++ b/src/test/compile-fail/borrowck-loan-vec-content.rs
@@ -17,16 +17,16 @@ fn takes_imm_elt(_v: &int, f: ||) {
 }
 
 fn has_mut_vec_and_does_not_try_to_change_it() {
-    let mut v = ~[1, 2, 3];
-    takes_imm_elt(&v[0], || {})
+    let mut v = vec!(1, 2, 3);
+    takes_imm_elt(v.get(0), || {})
 }
 
 fn has_mut_vec_but_tries_to_change_it() {
-    let mut v = ~[1, 2, 3];
+    let mut v = vec!(1, 2, 3);
     takes_imm_elt(
-        &v[0],
+        v.get(0),
         || { //~ ERROR cannot borrow `v` as mutable
-            v[1] = 4;
+            *v.get_mut(1) = 4;
         })
 }
 
diff --git a/src/test/compile-fail/borrowck-move-out-of-vec-tail.rs b/src/test/compile-fail/borrowck-move-out-of-vec-tail.rs
index 67b83ee84e406..0ab71c7f8a5c9 100644
--- a/src/test/compile-fail/borrowck-move-out-of-vec-tail.rs
+++ b/src/test/compile-fail/borrowck-move-out-of-vec-tail.rs
@@ -16,12 +16,12 @@ struct Foo {
 }
 
 pub fn main() {
-    let x = ~[
+    let x = vec!(
         Foo { string: ~"foo" },
         Foo { string: ~"bar" },
         Foo { string: ~"baz" }
-    ];
-    let x: &[Foo] = x;
+    );
+    let x: &[Foo] = x.as_slice();
     match x {
         [_, ..tail] => {
             match tail {
diff --git a/src/test/compile-fail/borrowck-mut-slice-of-imm-vec.rs b/src/test/compile-fail/borrowck-mut-slice-of-imm-vec.rs
index ec17976c5065c..283d6398e9ad3 100644
--- a/src/test/compile-fail/borrowck-mut-slice-of-imm-vec.rs
+++ b/src/test/compile-fail/borrowck-mut-slice-of-imm-vec.rs
@@ -13,6 +13,6 @@ fn write(v: &mut [int]) {
 }
 
 fn main() {
-    let v = ~[1, 2, 3];
-    write(v); //~ ERROR cannot borrow
+    let v = vec!(1, 2, 3);
+    write(v.as_mut_slice()); //~ ERROR cannot borrow
 }
diff --git a/src/test/compile-fail/borrowck-vec-pattern-element-loan.rs b/src/test/compile-fail/borrowck-vec-pattern-element-loan.rs
index 00252069f2dd8..3da284175541d 100644
--- a/src/test/compile-fail/borrowck-vec-pattern-element-loan.rs
+++ b/src/test/compile-fail/borrowck-vec-pattern-element-loan.rs
@@ -9,8 +9,8 @@
 // except according to those terms.
 
 fn a() -> &[int] {
-    let vec = ~[1, 2, 3, 4];
-    let vec: &[int] = vec; //~ ERROR does not live long enough
+    let vec = vec!(1, 2, 3, 4);
+    let vec: &[int] = vec.as_slice(); //~ ERROR does not live long enough
     let tail = match vec {
         [_, ..tail] => tail,
         _ => fail!("a")
@@ -19,8 +19,8 @@ fn a() -> &[int] {
 }
 
 fn b() -> &[int] {
-    let vec = ~[1, 2, 3, 4];
-    let vec: &[int] = vec; //~ ERROR does not live long enough
+    let vec = vec!(1, 2, 3, 4);
+    let vec: &[int] = vec.as_slice(); //~ ERROR does not live long enough
     let init = match vec {
         [..init, _] => init,
         _ => fail!("b")
@@ -29,8 +29,8 @@ fn b() -> &[int] {
 }
 
 fn c() -> &[int] {
-    let vec = ~[1, 2, 3, 4];
-    let vec: &[int] = vec; //~ ERROR does not live long enough
+    let vec = vec!(1, 2, 3, 4);
+    let vec: &[int] = vec.as_slice(); //~ ERROR does not live long enough
     let slice = match vec {
         [_, ..slice, _] => slice,
         _ => fail!("c")
diff --git a/src/test/compile-fail/borrowck-vec-pattern-loan-from-mut.rs b/src/test/compile-fail/borrowck-vec-pattern-loan-from-mut.rs
index d3f23a3497819..393ec8b0b1b3b 100644
--- a/src/test/compile-fail/borrowck-vec-pattern-loan-from-mut.rs
+++ b/src/test/compile-fail/borrowck-vec-pattern-loan-from-mut.rs
@@ -9,8 +9,8 @@
 // except according to those terms.
 
 fn a() {
-    let mut v = ~[1, 2, 3];
-    let vb: &mut [int] = v;
+    let mut v = vec!(1, 2, 3);
+    let vb: &mut [int] = v.as_mut_slice();
     match vb {
         [_a, ..tail] => {
             v.push(tail[0] + tail[1]); //~ ERROR cannot borrow
diff --git a/src/test/compile-fail/borrowck-vec-pattern-nesting.rs b/src/test/compile-fail/borrowck-vec-pattern-nesting.rs
index b85c2a82aeaff..e96ccd2aa8b20 100644
--- a/src/test/compile-fail/borrowck-vec-pattern-nesting.rs
+++ b/src/test/compile-fail/borrowck-vec-pattern-nesting.rs
@@ -18,8 +18,8 @@ fn a() {
 }
 
 fn b() {
-    let mut vec = ~[~1, ~2, ~3];
-    let vec: &mut [~int] = vec;
+    let mut vec = vec!(~1, ~2, ~3);
+    let vec: &mut [~int] = vec.as_mut_slice();
     match vec {
         [.._b] => {
             vec[0] = ~4; //~ ERROR cannot assign
@@ -28,8 +28,8 @@ fn b() {
 }
 
 fn c() {
-    let mut vec = ~[~1, ~2, ~3];
-    let vec: &mut [~int] = vec;
+    let mut vec = vec!(~1, ~2, ~3);
+    let vec: &mut [~int] = vec.as_mut_slice();
     match vec {
         [_a, .._b] => {
             //~^ ERROR cannot move out
@@ -46,8 +46,8 @@ fn c() {
 }
 
 fn d() {
-    let mut vec = ~[~1, ~2, ~3];
-    let vec: &mut [~int] = vec;
+    let mut vec = vec!(~1, ~2, ~3);
+    let vec: &mut [~int] = vec.as_mut_slice();
     match vec {
         [.._a, _b] => {
             //~^ ERROR cannot move out
@@ -58,8 +58,8 @@ fn d() {
 }
 
 fn e() {
-    let mut vec = ~[~1, ~2, ~3];
-    let vec: &mut [~int] = vec;
+    let mut vec = vec!(~1, ~2, ~3);
+    let vec: &mut [~int] = vec.as_mut_slice();
     match vec {
         [_a, _b, _c] => {}  //~ ERROR cannot move out
         //~^ ERROR cannot move out
diff --git a/src/test/compile-fail/borrowck-vec-pattern-tail-element-loan.rs b/src/test/compile-fail/borrowck-vec-pattern-tail-element-loan.rs
index ea972e8238aac..26dc853859c92 100644
--- a/src/test/compile-fail/borrowck-vec-pattern-tail-element-loan.rs
+++ b/src/test/compile-fail/borrowck-vec-pattern-tail-element-loan.rs
@@ -9,8 +9,8 @@
 // except according to those terms.
 
 fn a() -> &int {
-    let vec = ~[1, 2, 3, 4];
-    let vec: &[int] = vec; //~ ERROR `vec[..]` does not live long enough
+    let vec = vec!(1, 2, 3, 4);
+    let vec: &[int] = vec.as_slice(); //~ ERROR `vec` does not live long enough
     let tail = match vec {
         [_a, ..tail] => &tail[0],
         _ => fail!("foo")
diff --git a/src/test/compile-fail/drop-on-non-struct.rs b/src/test/compile-fail/drop-on-non-struct.rs
index 0d01fe4e8c732..09274aaa50445 100644
--- a/src/test/compile-fail/drop-on-non-struct.rs
+++ b/src/test/compile-fail/drop-on-non-struct.rs
@@ -10,10 +10,13 @@
 
 #[feature(managed_boxes)];
 
-type Foo = ~[u8];
+use std::vec_ng::Vec;
 
-impl Drop for Foo {   //~ ERROR the Drop trait may only be implemented
+type Foo = Vec<u8>;
+
+impl Drop for Foo {   //~ ERROR conflicting implementations
 //~^ ERROR cannot provide an extension implementation
+//~^^ ERROR multiple applicable methods
     fn drop(&mut self) {
         println!("kaboom");
     }
diff --git a/src/test/compile-fail/empty-vec-trailing-comma.rs b/src/test/compile-fail/empty-vec-trailing-comma.rs
deleted file mode 100644
index 9191c866afd33..0000000000000
--- a/src/test/compile-fail/empty-vec-trailing-comma.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-fn main() {
-    let v = ~[,]; //~ ERROR unexpected token: `,`
-}
diff --git a/src/test/compile-fail/evec-subtyping.rs b/src/test/compile-fail/evec-subtyping.rs
deleted file mode 100644
index 9a0227b7d31a2..0000000000000
--- a/src/test/compile-fail/evec-subtyping.rs
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-#[feature(managed_boxes)];
-
-fn wants_uniq(x: ~[uint]) { }
-fn wants_three(x: [uint, ..3]) { }
-
-fn has_uniq(x: ~[uint]) {
-   wants_uniq(x);
-   wants_three(x); //~ ERROR [] storage differs: expected `3` but found `~`
-}
-
-fn has_three(x: [uint, ..3]) {
-   wants_uniq(x); //~ ERROR [] storage differs: expected `~` but found `3`
-   wants_three(x);
-}
-
-fn has_four(x: [uint, ..4]) {
-   wants_uniq(x); //~ ERROR [] storage differs: expected `~` but found `4`
-   wants_three(x); //~ ERROR [] storage differs: expected `3` but found `4`
-}
-
-fn main() {
-}
diff --git a/src/test/compile-fail/import.rs b/src/test/compile-fail/import.rs
index 5177dc4e47570..51d3d652f7b13 100644
--- a/src/test/compile-fail/import.rs
+++ b/src/test/compile-fail/import.rs
@@ -11,7 +11,10 @@
 // error-pattern:failed to resolve import
 use zed::bar;
 use zed::baz;
+
+use std::vec_ng::Vec;
+
 mod zed {
     pub fn bar() { info!("bar"); }
 }
-fn main(args: ~[str]) { bar(); }
+fn main(args: Vec<~str>) { bar(); }
diff --git a/src/test/compile-fail/import2.rs b/src/test/compile-fail/import2.rs
index e67a79130b1f9..fd0892f19e259 100644
--- a/src/test/compile-fail/import2.rs
+++ b/src/test/compile-fail/import2.rs
@@ -11,8 +11,10 @@
 use baz::zed::bar;  //~ ERROR unresolved import
 //~^ ERROR failed to resolve import
 
+use std::vec_ng::Vec;
+
 mod baz {}
 mod zed {
     pub fn bar() { info!("bar3"); }
 }
-fn main(args: ~[str]) { bar(); }
+fn main(args: Vec<~str>) { bar(); }
diff --git a/src/test/compile-fail/import3.rs b/src/test/compile-fail/import3.rs
index 7a7f4f20aea07..f801760a7db89 100644
--- a/src/test/compile-fail/import3.rs
+++ b/src/test/compile-fail/import3.rs
@@ -11,4 +11,6 @@
 // error-pattern: unresolved
 use main::bar;
 
-fn main(args: ~[str]) { info!("foo"); }
+use std::vec_ng::Vec;
+
+fn main(args: Vec<~str>) { info!("foo"); }
diff --git a/src/test/compile-fail/import4.rs b/src/test/compile-fail/import4.rs
index 087842d78c709..6005a1c22fac8 100644
--- a/src/test/compile-fail/import4.rs
+++ b/src/test/compile-fail/import4.rs
@@ -10,7 +10,9 @@
 
 // error-pattern: import
 
+use std::vec_ng::Vec;
+
 mod a { pub use b::foo; }
 mod b { pub use a::foo; }
 
-fn main(args: ~[str]) { info!("loop"); }
+fn main(args: Vec<~str>) { info!("loop"); }
diff --git a/src/test/compile-fail/infinite-vec-type-recursion.rs b/src/test/compile-fail/infinite-vec-type-recursion.rs
index 9f9fd43fcdf80..c52199ecedd38 100644
--- a/src/test/compile-fail/infinite-vec-type-recursion.rs
+++ b/src/test/compile-fail/infinite-vec-type-recursion.rs
@@ -10,6 +10,8 @@
 
 // error-pattern: illegal recursive type
 
-type x = ~[x];
+use std::vec_ng::Vec;
 
-fn main() { let b: x = ~[]; }
+type x = Vec<x>;
+
+fn main() { let b: x = Vec::new(); }
diff --git a/src/test/compile-fail/issue-10412.rs b/src/test/compile-fail/issue-10412.rs
index 79af6617ab341..e0bac1e9e4a60 100644
--- a/src/test/compile-fail/issue-10412.rs
+++ b/src/test/compile-fail/issue-10412.rs
@@ -10,13 +10,13 @@
 
 
 trait Serializable<'self, T> { //~ ERROR: no longer a special lifetime
-    fn serialize(val : &'self T) -> ~[u8];
+    fn serialize(val : &'self T) -> Vec<u8> ;
     fn deserialize(repr : &[u8]) -> &'self T;
 }
 
 impl<'self> Serializable<str> for &'self str {
-    fn serialize(val : &'self str) -> ~[u8] {
-        ~[1]
+    fn serialize(val : &'self str) -> Vec<u8> {
+        vec!(1)
     }
     fn deserialize(repr: &[u8]) -> &'self str {
         "hi"
diff --git a/src/test/compile-fail/issue-10487.rs b/src/test/compile-fail/issue-10487.rs
deleted file mode 100644
index 01fb2ea942737..0000000000000
--- a/src/test/compile-fail/issue-10487.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-#[feature(managed_boxes)];
-
-static x: ~[int] = ~[123, 456]; //~ ERROR: static items are not allowed to have owned pointers
-
-fn main() {}
diff --git a/src/test/compile-fail/issue-1655.rs b/src/test/compile-fail/issue-1655.rs
index 37cfc642405dd..88233e62aa749 100644
--- a/src/test/compile-fail/issue-1655.rs
+++ b/src/test/compile-fail/issue-1655.rs
@@ -10,12 +10,12 @@
 
 // error-pattern:expected item
 mod blade_runner {
-    #~[doc(
+    #vec!(doc(
         brief = "Blade Runner is probably the best movie ever",
         desc = "I like that in the world of Blade Runner it is always
                 raining, and that it's always night time. And Aliens
                 was also a really good movie.
 
                 Alien 3 was crap though."
-    )]
+    ))
 }
diff --git a/src/test/compile-fail/issue-2149.rs b/src/test/compile-fail/issue-2149.rs
index 8d2bdd2d2eb36..29f7e344b3093 100644
--- a/src/test/compile-fail/issue-2149.rs
+++ b/src/test/compile-fail/issue-2149.rs
@@ -8,12 +8,14 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 trait vec_monad<A> {
-    fn bind<B>(&self, f: |A| -> ~[B]);
+    fn bind<B>(&self, f: |A| -> Vec<B> );
 }
 
-impl<A> vec_monad<A> for ~[A] {
-    fn bind<B>(&self, f: |A| -> ~[B]) {
+impl<A> vec_monad<A> for Vec<A> {
+    fn bind<B>(&self, f: |A| -> Vec<B> ) {
         let mut r = fail!();
         for elt in self.iter() { r = r + f(*elt); }
         //~^ ERROR the type of this value must be known
diff --git a/src/test/compile-fail/issue-2150.rs b/src/test/compile-fail/issue-2150.rs
index 2c54b62202115..341fafe6f636f 100644
--- a/src/test/compile-fail/issue-2150.rs
+++ b/src/test/compile-fail/issue-2150.rs
@@ -12,7 +12,9 @@
 #[allow(unused_variable)];
 #[allow(dead_code)];
 
-fn fail_len(v: ~[int]) -> uint {
+use std::vec_ng::Vec;
+
+fn fail_len(v: Vec<int> ) -> uint {
     let mut i = 3;
     fail!();
     for x in v.iter() { i += 1u; }
diff --git a/src/test/compile-fail/issue-2281-part1.rs b/src/test/compile-fail/issue-2281-part1.rs
index 7896d91443dad..68ded64820713 100644
--- a/src/test/compile-fail/issue-2281-part1.rs
+++ b/src/test/compile-fail/issue-2281-part1.rs
@@ -10,4 +10,6 @@
 
 // error-pattern: unresolved name `foobar`.
 
-fn main(args: ~[str]) { info!("{:?}", foobar); }
+use std::vec_ng::Vec;
+
+fn main(args: Vec<str>) { info!("{:?}", foobar); }
diff --git a/src/test/compile-fail/issue-2548.rs b/src/test/compile-fail/issue-2548.rs
deleted file mode 100644
index 19bd9b2476b04..0000000000000
--- a/src/test/compile-fail/issue-2548.rs
+++ /dev/null
@@ -1,47 +0,0 @@
-// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-#[feature(managed_boxes)];
-
-// A test case for #2548.
-
-use std::cell::Cell;
-
-struct foo {
-    x: @Cell<int>,
-}
-
-#[unsafe_destructor]
-impl Drop for foo {
-    fn drop(&mut self) {
-        unsafe {
-            println!("Goodbye, World!");
-            self.x.set(self.x.get() + 1);
-        }
-    }
-}
-
-fn foo(x: @Cell<int>) -> foo {
-    foo { x: x }
-}
-
-fn main() {
-    let x = @Cell::new(0);
-
-    {
-        let mut res = foo(x);
-
-        let mut v = ~[];
-        v = ~[(res)] + v; //~ failed to find an implementation of trait
-        assert_eq!(v.len(), 2);
-    }
-
-    assert_eq!(x.get(), 1);
-}
diff --git a/src/test/compile-fail/issue-2590.rs b/src/test/compile-fail/issue-2590.rs
index a2bb583a3d698..a3f2da150a3c4 100644
--- a/src/test/compile-fail/issue-2590.rs
+++ b/src/test/compile-fail/issue-2590.rs
@@ -8,16 +8,18 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 struct parser {
-    tokens: ~[int],
+    tokens: Vec<int> ,
 }
 
 trait parse {
-    fn parse(&self) -> ~[int];
+    fn parse(&self) -> Vec<int> ;
 }
 
 impl parse for parser {
-    fn parse(&self) -> ~[int] {
+    fn parse(&self) -> Vec<int> {
         self.tokens //~ ERROR cannot move out of dereference of `&`-pointer
     }
 }
diff --git a/src/test/compile-fail/issue-3044.rs b/src/test/compile-fail/issue-3044.rs
index 5fab2ed195cec..076c60152684d 100644
--- a/src/test/compile-fail/issue-3044.rs
+++ b/src/test/compile-fail/issue-3044.rs
@@ -8,8 +8,10 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 fn main() {
-    let needlesArr: ~[char] = ~['a', 'f'];
+    let needlesArr: Vec<char> = vec!('a', 'f');
     needlesArr.iter().fold(|x, y| {
     });
     //~^^ ERROR this function takes 2 parameters but 1 parameter was supplied
diff --git a/src/test/compile-fail/issue-7573.rs b/src/test/compile-fail/issue-7573.rs
index 3b8eda8f78388..633be15ef9922 100644
--- a/src/test/compile-fail/issue-7573.rs
+++ b/src/test/compile-fail/issue-7573.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 pub struct CrateId {
     local_path: ~str,
     junk: ~str
@@ -23,7 +25,7 @@ impl CrateId {
 }
 
 pub fn remove_package_from_database() {
-    let mut lines_to_use: ~[&CrateId] = ~[]; //~ ERROR cannot infer an appropriate lifetime
+    let mut lines_to_use: Vec<&CrateId> = Vec::new(); //~ ERROR cannot infer an appropriate lifetime
     let push_id = |installed_id: &CrateId| {
         lines_to_use.push(installed_id);
     };
diff --git a/src/test/compile-fail/issue-8727.rs b/src/test/compile-fail/issue-8727.rs
index 003f1d67cdb8a..e018bf4077182 100644
--- a/src/test/compile-fail/issue-8727.rs
+++ b/src/test/compile-fail/issue-8727.rs
@@ -8,21 +8,22 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
 // Verify the compiler fails with an error on infinite function
 // recursions.
 
+use std::vec_ng::Vec;
+
 struct Data(~Option<Data>);
 
-fn generic<T>( _ : ~[(Data,T)] ) {
+fn generic<T>( _ : Vec<(Data,T)> ) {
     //~^ ERROR overly deep expansion of inlined function
-    let rec : ~[(Data,(bool,T))] = ~[];
+    let rec : Vec<(Data,(bool,T))> = Vec::new();
     generic( rec );
 }
 
 
 fn main () {
     // Use generic<T> at least once to trigger instantiation.
-    let input : ~[(Data,())] = ~[];
+    let input : Vec<(Data,())> = Vec::new();
     generic(input);
 }
diff --git a/src/test/compile-fail/kindck-freeze.rs b/src/test/compile-fail/kindck-freeze.rs
index 474c1b1d3cfa4..c5977678aba11 100644
--- a/src/test/compile-fail/kindck-freeze.rs
+++ b/src/test/compile-fail/kindck-freeze.rs
@@ -10,6 +10,8 @@
 
 // Test which of the builtin types are considered freezeable.
 
+use std::vec_ng::Vec;
+
 fn assert_freeze<T:Freeze>() { }
 trait Dummy { }
 
@@ -27,7 +29,7 @@ fn test<'a,T,U:Freeze>(_: &'a int) {
     // ~ pointers are ok
     assert_freeze::<~int>();
     assert_freeze::<~str>();
-    assert_freeze::<~[int]>();
+    assert_freeze::<Vec<int> >();
 
     // but not if they own a bad thing
     assert_freeze::<~&'a mut int>(); //~ ERROR does not fulfill `Freeze`
diff --git a/src/test/compile-fail/kindck-pod.rs b/src/test/compile-fail/kindck-pod.rs
index 60de67e214c0c..bc4ee14d89eb5 100644
--- a/src/test/compile-fail/kindck-pod.rs
+++ b/src/test/compile-fail/kindck-pod.rs
@@ -13,6 +13,7 @@
 #[feature(managed_boxes)];
 
 use std::rc::Rc;
+use std::vec_ng::Vec;
 
 fn assert_pod<T:Pod>() { }
 trait Dummy { }
@@ -40,7 +41,7 @@ fn test<'a,T,U:Pod>(_: &'a int) {
     // ~ pointers are not ok
     assert_pod::<~int>();   //~ ERROR does not fulfill `Pod`
     assert_pod::<~str>();   //~ ERROR does not fulfill `Pod`
-    assert_pod::<~[int]>(); //~ ERROR does not fulfill `Pod`
+    assert_pod::<Vec<int> >(); //~ ERROR does not fulfill `Pod`
     assert_pod::<~&'a mut int>(); //~ ERROR does not fulfill `Pod`
 
     // borrowed object types are generally ok
diff --git a/src/test/compile-fail/kindck-send.rs b/src/test/compile-fail/kindck-send.rs
index bfef15ea1731c..0eb3656cea787 100644
--- a/src/test/compile-fail/kindck-send.rs
+++ b/src/test/compile-fail/kindck-send.rs
@@ -10,6 +10,8 @@
 
 // Test which of the builtin types are considered sendable.
 
+use std::vec_ng::Vec;
+
 fn assert_send<T:Send>() { }
 trait Dummy { }
 
@@ -30,7 +32,7 @@ fn test<'a,T,U:Send>(_: &'a int) {
     // ~ pointers are ok
     assert_send::<~int>();
     assert_send::<~str>();
-    assert_send::<~[int]>();
+    assert_send::<Vec<int> >();
 
     // but not if they own a bad thing
     assert_send::<~&'a int>(); //~ ERROR does not fulfill `Send`
diff --git a/src/test/compile-fail/lint-heap-memory.rs b/src/test/compile-fail/lint-heap-memory.rs
index fa359dcd538f7..853abbbd295f2 100644
--- a/src/test/compile-fail/lint-heap-memory.rs
+++ b/src/test/compile-fail/lint-heap-memory.rs
@@ -24,8 +24,6 @@ fn main() {
     @2; //~ ERROR type uses managed
 
     ~2; //~ ERROR type uses owned
-    ~[1]; //~ ERROR type uses owned
-    //~^ ERROR type uses owned
     fn g(_: ~Clone) {} //~ ERROR type uses owned
     ~""; //~ ERROR type uses owned
     //~^ ERROR type uses owned
diff --git a/src/test/compile-fail/lint-unused-mut-variables.rs b/src/test/compile-fail/lint-unused-mut-variables.rs
index 271aedd3f6a6b..47c0bf99afca7 100644
--- a/src/test/compile-fail/lint-unused-mut-variables.rs
+++ b/src/test/compile-fail/lint-unused-mut-variables.rs
@@ -15,12 +15,14 @@
 #[allow(dead_code)];
 #[deny(unused_mut)];
 
+use std::vec_ng::Vec;
+
 fn main() {
     // negative cases
     let mut a = 3; //~ ERROR: variable does not need to be mutable
     let mut a = 2; //~ ERROR: variable does not need to be mutable
     let mut b = 3; //~ ERROR: variable does not need to be mutable
-    let mut a = ~[3]; //~ ERROR: variable does not need to be mutable
+    let mut a = vec!(3); //~ ERROR: variable does not need to be mutable
     let (mut a, b) = (1, 2); //~ ERROR: variable does not need to be mutable
 
     match 30 {
@@ -33,9 +35,9 @@ fn main() {
     // positive cases
     let mut a = 2;
     a = 3;
-    let mut a = ~[];
+    let mut a = Vec::new();
     a.push(3);
-    let mut a = ~[];
+    let mut a = Vec::new();
     callback(|| {
         a.push(3);
     });
@@ -62,5 +64,5 @@ fn callback(f: ||) {}
 #[allow(unused_mut)]
 fn foo(mut a: int) {
     let mut a = 3;
-    let mut b = ~[2];
+    let mut b = vec!(2);
 }
diff --git a/src/test/compile-fail/lint-unused-unsafe.rs b/src/test/compile-fail/lint-unused-unsafe.rs
index 96a4c2adca32c..084f0d1dab8cb 100644
--- a/src/test/compile-fail/lint-unused-unsafe.rs
+++ b/src/test/compile-fail/lint-unused-unsafe.rs
@@ -13,6 +13,8 @@
 #[allow(dead_code)];
 #[deny(unused_unsafe)];
 
+use std::vec_ng::Vec;
+
 mod foo {
     extern {
         pub fn bar();
@@ -49,7 +51,7 @@ fn good2() {
        sure that when purity is inherited that the source of the unsafe-ness
        is tracked correctly */
     unsafe {
-        unsafe fn what() -> ~[~str] { fail!() }
+        unsafe fn what() -> Vec<~str> { fail!() }
 
         callback(|| {
             what();
diff --git a/src/test/compile-fail/liveness-issue-2163.rs b/src/test/compile-fail/liveness-issue-2163.rs
index fbb6d03b22002..3a8b90cad3d52 100644
--- a/src/test/compile-fail/liveness-issue-2163.rs
+++ b/src/test/compile-fail/liveness-issue-2163.rs
@@ -9,9 +9,10 @@
 // except according to those terms.
 
 use std::vec;
+use std::vec_ng::Vec;
 
 fn main() {
-    let a: ~[int] = ~[];
+    let a: Vec<int> = Vec::new();
     a.iter().advance(|_| -> bool {
         //~^ ERROR mismatched types
     });
diff --git a/src/test/compile-fail/match-vec-invalid.rs b/src/test/compile-fail/match-vec-invalid.rs
index 5a50cb48da665..389e26aa400dc 100644
--- a/src/test/compile-fail/match-vec-invalid.rs
+++ b/src/test/compile-fail/match-vec-invalid.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 
 fn main() {
-    let a = ~[];
+    let a = Vec::new();
     match a {
         [1, ..tail, ..tail] => {}, //~ ERROR: unexpected token: `..`
         _ => ()
diff --git a/src/test/compile-fail/match-vec-unreachable.rs b/src/test/compile-fail/match-vec-unreachable.rs
index e2a052bd2638e..06e6609e46fb6 100644
--- a/src/test/compile-fail/match-vec-unreachable.rs
+++ b/src/test/compile-fail/match-vec-unreachable.rs
@@ -8,25 +8,27 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 fn main() {
-    let x: ~[(int, int)] = ~[];
-    let x: &[(int, int)] = x;
+    let x: Vec<(int, int)> = Vec::new();
+    let x: &[(int, int)] = x.as_slice();
     match x {
         [a, (2, 3), _] => (),
         [(1, 2), (2, 3), b] => (), //~ ERROR unreachable pattern
         _ => ()
     }
 
-    let x: ~[~str] = ~[~"foo", ~"bar", ~"baz"];
-    let x: &[~str] = x;
+    let x: Vec<~str> = vec!(~"foo", ~"bar", ~"baz");
+    let x: &[~str] = x.as_slice();
     match x {
         [a, _, _, ..] => { println!("{}", a); }
         [~"foo", ~"bar", ~"baz", ~"foo", ~"bar"] => { } //~ ERROR unreachable pattern
         _ => { }
     }
 
-    let x: ~[char] = ~['a', 'b', 'c'];
-    let x: &[char] = x;
+    let x: Vec<char> = vec!('a', 'b', 'c');
+    let x: &[char] = x.as_slice();
     match x {
         ['a', 'b', 'c', .._tail] => {}
         ['a', 'b', 'c'] => {} //~ ERROR unreachable pattern
diff --git a/src/test/compile-fail/moves-based-on-type-access-to-field.rs b/src/test/compile-fail/moves-based-on-type-access-to-field.rs
index 1557b290c2cb1..657d5ad03e8a8 100644
--- a/src/test/compile-fail/moves-based-on-type-access-to-field.rs
+++ b/src/test/compile-fail/moves-based-on-type-access-to-field.rs
@@ -22,9 +22,9 @@ fn f10() {
 }
 
 fn f20() {
-    let x = ~[~"hi"];
-    consume(x[0]);
-    touch(&x[0]); //~ ERROR use of partially moved value: `x`
+    let x = vec!(~"hi");
+    consume(x.move_iter().next().unwrap());
+    touch(x.get(0)); //~ ERROR use of moved value: `x`
 }
 
 fn main() {}
diff --git a/src/test/compile-fail/moves-based-on-type-exprs.rs b/src/test/compile-fail/moves-based-on-type-exprs.rs
index 4c62e47965e08..967612e7c5016 100644
--- a/src/test/compile-fail/moves-based-on-type-exprs.rs
+++ b/src/test/compile-fail/moves-based-on-type-exprs.rs
@@ -30,8 +30,8 @@ fn f20() {
 }
 
 fn f21() {
-    let x = ~[1, 2, 3];
-    let _y = (x[0], 3);
+    let x = vec!(1, 2, 3);
+    let _y = (*x.get(0), 3);
     touch(&x);
 }
 
@@ -78,27 +78,27 @@ fn f70() {
 
 fn f80() {
     let x = ~"hi";
-    let _y = ~[x];
+    let _y = vec!(x);
     touch(&x); //~ ERROR use of moved value: `x`
 }
 
 fn f100() {
-    let x = ~[~"hi"];
-    let _y = x[0];
-    touch(&x); //~ ERROR use of partially moved value: `x`
+    let x = vec!(~"hi");
+    let _y = x.move_iter().next().unwrap();
+    touch(&x); //~ ERROR use of moved value: `x`
 }
 
 fn f110() {
-    let x = ~[~"hi"];
-    let _y = [x[0], ..1];
-    touch(&x); //~ ERROR use of partially moved value: `x`
+    let x = vec!(~"hi");
+    let _y = [x.move_iter().next().unwrap(), ..1];
+    touch(&x); //~ ERROR use of moved value: `x`
 }
 
 fn f120() {
-    let mut x = ~[~"hi", ~"ho"];
+    let mut x = vec!(~"hi", ~"ho");
     x.swap(0, 1);
-    touch(&x[0]);
-    touch(&x[1]);
+    touch(x.get(0));
+    touch(x.get(1));
 }
 
 fn main() {}
diff --git a/src/test/compile-fail/nested-ty-params.rs b/src/test/compile-fail/nested-ty-params.rs
index daf92b700e7f3..7b7ce6bee2ffb 100644
--- a/src/test/compile-fail/nested-ty-params.rs
+++ b/src/test/compile-fail/nested-ty-params.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // error-pattern:attempt to use a type argument out of scope
-fn hd<U>(v: ~[U]) -> U {
+fn hd<U>(v: Vec<U> ) -> U {
     fn hd1(w: [U]) -> U { return w[0]; }
 
     return hd1(v);
diff --git a/src/test/compile-fail/no-capture-arc.rs b/src/test/compile-fail/no-capture-arc.rs
index 8df156d8332fe..eb11cd4840f69 100644
--- a/src/test/compile-fail/no-capture-arc.rs
+++ b/src/test/compile-fail/no-capture-arc.rs
@@ -16,15 +16,15 @@ use sync::Arc;
 use std::task;
 
 fn main() {
-    let v = ~[1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+    let v = vec!(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
     let arc_v = Arc::new(v);
 
     task::spawn(proc() {
         let v = arc_v.get();
-        assert_eq!(v[3], 4);
+        assert_eq!(*v.get(3), 4);
     });
 
-    assert_eq!((arc_v.get())[2], 3);
+    assert_eq!(*(arc_v.get()).get(2), 3);
 
     info!("{:?}", arc_v);
 }
diff --git a/src/test/compile-fail/no-reuse-move-arc.rs b/src/test/compile-fail/no-reuse-move-arc.rs
index b387d3a1719e9..d1326e9733b5f 100644
--- a/src/test/compile-fail/no-reuse-move-arc.rs
+++ b/src/test/compile-fail/no-reuse-move-arc.rs
@@ -14,15 +14,15 @@ use sync::Arc;
 use std::task;
 
 fn main() {
-    let v = ~[1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+    let v = vec!(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
     let arc_v = Arc::new(v);
 
     task::spawn(proc() {
         let v = arc_v.get();
-        assert_eq!(v[3], 4);
+        assert_eq!(*v.get(3), 4);
     });
 
-    assert_eq!((arc_v.get())[2], 3); //~ ERROR use of moved value: `arc_v`
+    assert_eq!(*(arc_v.get()).get(2), 3); //~ ERROR use of moved value: `arc_v`
 
     info!("{:?}", arc_v); //~ ERROR use of moved value: `arc_v`
 }
diff --git a/src/test/compile-fail/non-constant-enum-for-vec-repeat.rs b/src/test/compile-fail/non-constant-enum-for-vec-repeat.rs
index a4eba4b4cbf77..fd857129c3569 100644
--- a/src/test/compile-fail/non-constant-enum-for-vec-repeat.rs
+++ b/src/test/compile-fail/non-constant-enum-for-vec-repeat.rs
@@ -11,6 +11,6 @@
 enum State { ST_NULL, ST_WHITESPACE }
 
 fn main() {
-    ~[ST_NULL, ..(ST_WHITESPACE as uint)];
+    [ST_NULL, ..(ST_WHITESPACE as uint)];
     //~^ ERROR expected constant integer for repeat count but found variable
 }
diff --git a/src/test/compile-fail/non-copyable-void.rs b/src/test/compile-fail/non-copyable-void.rs
index 64d29a5575635..2b3722196c119 100644
--- a/src/test/compile-fail/non-copyable-void.rs
+++ b/src/test/compile-fail/non-copyable-void.rs
@@ -9,9 +9,10 @@
 // except according to those terms.
 
 use std::libc;
+use std::vec_ng::Vec;
 
 fn main() {
-    let x : *~[int] = &~[1,2,3];
+    let x : *Vec<int> = &vec!(1,2,3);
     let y : *libc::c_void = x as *libc::c_void;
     unsafe {
         let _z = (*y).clone();
diff --git a/src/test/compile-fail/non-exhaustive-match.rs b/src/test/compile-fail/non-exhaustive-match.rs
index 0d65bc90eb546..a07fec853fc52 100644
--- a/src/test/compile-fail/non-exhaustive-match.rs
+++ b/src/test/compile-fail/non-exhaustive-match.rs
@@ -35,30 +35,30 @@ fn main() {
       (_, a) => {}
       (b, b) => {}
     }
-    let vec = ~[Some(42), None, Some(21)];
-    let vec: &[Option<int>] = vec;
+    let vec = vec!(Some(42), None, Some(21));
+    let vec: &[Option<int>] = vec.as_slice();
     match vec {
         //~^ ERROR non-exhaustive patterns: vectors of length 0 not covered
         [Some(..), None, ..tail] => {}
         [Some(..), Some(..), ..tail] => {}
         [None] => {}
     }
-    let vec = ~[1];
-    let vec: &[int] = vec;
+    let vec = vec!(1);
+    let vec: &[int] = vec.as_slice();
     match vec {
         [_, ..tail] => (),
         [] => ()
     }
-    let vec = ~[0.5];
-    let vec: &[f32] = vec;
+    let vec = vec!(0.5);
+    let vec: &[f32] = vec.as_slice();
     match vec { //~ ERROR non-exhaustive patterns: vectors of length 4 not covered
         [0.1, 0.2, 0.3] => (),
         [0.1, 0.2] => (),
         [0.1] => (),
         [] => ()
     }
-    let vec = ~[Some(42), None, Some(21)];
-    let vec: &[Option<int>] = vec;
+    let vec = vec!(Some(42), None, Some(21));
+    let vec: &[Option<int>] = vec.as_slice();
     match vec {
         [Some(..), None, ..tail] => {}
         [Some(..), Some(..), ..tail] => {}
diff --git a/src/test/compile-fail/pattern-tyvar-2.rs b/src/test/compile-fail/pattern-tyvar-2.rs
index e58c4b1468588..f80b250dd8264 100644
--- a/src/test/compile-fail/pattern-tyvar-2.rs
+++ b/src/test/compile-fail/pattern-tyvar-2.rs
@@ -8,10 +8,11 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
 extern crate extra;
 
-enum bar { t1((), Option<~[int]>), t2, }
+use std::vec_ng::Vec;
+
+enum bar { t1((), Option<Vec<int> >), t2, }
 
 // n.b. my change changes this error message, but I think it's right -- tjc
 fn foo(t: bar) -> int { match t { t1(_, Some(x)) => { return x * 3; } _ => { fail!(); } } }
diff --git a/src/test/compile-fail/pattern-tyvar.rs b/src/test/compile-fail/pattern-tyvar.rs
index b687a225754e0..2545d7b929271 100644
--- a/src/test/compile-fail/pattern-tyvar.rs
+++ b/src/test/compile-fail/pattern-tyvar.rs
@@ -10,9 +10,11 @@
 
 extern crate extra;
 
+use std::vec_ng::Vec;
+
 // error-pattern: mismatched types
 
-enum bar { t1((), Option<~[int]>), t2, }
+enum bar { t1((), Option<Vec<int> >), t2, }
 
 fn foo(t: bar) {
     match t {
diff --git a/src/test/compile-fail/qquote-1.rs b/src/test/compile-fail/qquote-1.rs
index d45759e38d99e..fff57128c45ad 100644
--- a/src/test/compile-fail/qquote-1.rs
+++ b/src/test/compile-fail/qquote-1.rs
@@ -34,7 +34,7 @@ trait fake_ext_ctxt {
 type fake_session = parse::parse_sess;
 
 impl fake_ext_ctxt for fake_session {
-    fn cfg() -> ast::CrateConfig { ~[] }
+    fn cfg() -> ast::CrateConfig { Vec::new() }
     fn parse_sess() -> parse::parse_sess { self }
     fn call_site() -> span {
         codemap::span {
diff --git a/src/test/compile-fail/qquote-2.rs b/src/test/compile-fail/qquote-2.rs
index b5c2dee61c736..30cdb21d402b6 100644
--- a/src/test/compile-fail/qquote-2.rs
+++ b/src/test/compile-fail/qquote-2.rs
@@ -33,7 +33,7 @@ trait fake_ext_ctxt {
 type fake_session = parse::parse_sess;
 
 impl fake_ext_ctxt for fake_session {
-    fn cfg() -> ast::CrateConfig { ~[] }
+    fn cfg() -> ast::CrateConfig { Vec::new() }
     fn parse_sess() -> parse::parse_sess { self }
     fn call_site() -> span {
         codemap::span {
diff --git a/src/test/compile-fail/regions-escape-loop-via-vec.rs b/src/test/compile-fail/regions-escape-loop-via-vec.rs
index ccfcc52945daf..7d9629a522053 100644
--- a/src/test/compile-fail/regions-escape-loop-via-vec.rs
+++ b/src/test/compile-fail/regions-escape-loop-via-vec.rs
@@ -11,7 +11,7 @@
 // The type of `y` ends up getting inferred to the type of the block.
 fn broken() {
     let mut x = 3;
-    let mut _y = ~[&mut x];
+    let mut _y = vec!(&mut x);
     while x < 10 {
         let mut z = x;
         _y.push(&mut z); //~ ERROR `z` does not live long enough
diff --git a/src/test/compile-fail/repeat_count.rs b/src/test/compile-fail/repeat_count.rs
index 579575e2008f8..692c51b5b5ff7 100644
--- a/src/test/compile-fail/repeat_count.rs
+++ b/src/test/compile-fail/repeat_count.rs
@@ -12,5 +12,5 @@
 
 fn main() {
     let n = 1;
-    let a = ~[0, ..n]; //~ ERROR expected constant integer for repeat count but found variable
+    let a = [0, ..n]; //~ ERROR expected constant integer for repeat count but found variable
 }
diff --git a/src/test/compile-fail/seq-args.rs b/src/test/compile-fail/seq-args.rs
index f543d442a2391..4e23e76b25520 100644
--- a/src/test/compile-fail/seq-args.rs
+++ b/src/test/compile-fail/seq-args.rs
@@ -9,10 +9,13 @@
 // except according to those terms.
 
 extern crate extra;
+
+use std::vec_ng::Vec;
+
 fn main() {
 trait seq { }
 
-impl<T> seq<T> for ~[T] { //~ ERROR wrong number of type arguments
+impl<T> seq<T> for Vec<T> { //~ ERROR wrong number of type arguments
     /* ... */
 }
 impl seq<bool> for u32 {
diff --git a/src/test/compile-fail/tag-that-dare-not-speak-its-name.rs b/src/test/compile-fail/tag-that-dare-not-speak-its-name.rs
index 0fc3b3912b17b..59c80474c4c77 100644
--- a/src/test/compile-fail/tag-that-dare-not-speak-its-name.rs
+++ b/src/test/compile-fail/tag-that-dare-not-speak-its-name.rs
@@ -13,7 +13,9 @@
 
 #[no_implicit_prelude];
 
-fn last<T>(v: ~[&T]) -> std::option::Option<T> {
+use std::vec_ng::Vec;
+
+fn last<T>(v: Vec<&T> ) -> std::option::Option<T> {
     fail!();
 }
 
diff --git a/src/test/compile-fail/uninstantiable-fixed-length-vec.rs b/src/test/compile-fail/uninstantiable-fixed-length-vec.rs
deleted file mode 100644
index bb2c3247e030f..0000000000000
--- a/src/test/compile-fail/uninstantiable-fixed-length-vec.rs
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-// issue #11659, the compiler needs to know that a fixed length vector
-// always requires instantiable contents to instantiable itself
-// (unlike a ~[] vector which can have length zero).
-
-// ~ to avoid infinite size.
-struct Uninstantiable { //~ ERROR cannot be instantiated without an instance of itself
-    p: ~[Uninstantiable, .. 1]
-}
-
-struct Instantiable { p: ~[Instantiable, .. 0] }
-
-
-fn main() {
-    let _ = None::<Uninstantiable>;
-    let _ = Instantiable { p: ~([]) };
-}
diff --git a/src/test/compile-fail/unique-vec-res.rs b/src/test/compile-fail/unique-vec-res.rs
index c604e66507e0a..84e8272d7887c 100644
--- a/src/test/compile-fail/unique-vec-res.rs
+++ b/src/test/compile-fail/unique-vec-res.rs
@@ -11,6 +11,7 @@
 #[feature(managed_boxes)];
 
 use std::cell::Cell;
+use std::vec_ng::Vec;
 
 struct r {
   i: @Cell<int>,
@@ -25,14 +26,14 @@ impl Drop for r {
     }
 }
 
-fn f<T>(_i: ~[T], _j: ~[T]) {
+fn f<T>(_i: Vec<T> , _j: Vec<T> ) {
 }
 
 fn main() {
     let i1 = @Cell::new(0);
     let i2 = @Cell::new(1);
-    let r1 = ~[~r { i: i1 }];
-    let r2 = ~[~r { i: i2 }];
+    let r1 = vec!(~r { i: i1 });
+    let r2 = vec!(~r { i: i2 });
     f(r1.clone(), r2.clone());
     //~^ ERROR failed to find an implementation of
     info!("{:?}", (r2, i1.get()));
diff --git a/src/test/compile-fail/use-after-move-implicity-coerced-object.rs b/src/test/compile-fail/use-after-move-implicity-coerced-object.rs
index 085ed5db6df09..4dd3b26bad966 100644
--- a/src/test/compile-fail/use-after-move-implicity-coerced-object.rs
+++ b/src/test/compile-fail/use-after-move-implicity-coerced-object.rs
@@ -11,6 +11,7 @@
 // ignore-tidy-linelength
 
 use std::fmt;
+use std::vec_ng::Vec;
 
 struct Number {
     n: i64
@@ -23,8 +24,7 @@ impl fmt::Show for Number {
 }
 
 struct List {
-    list: ~[~ToStr]
-}
+    list: Vec<~ToStr> }
 
 impl List {
     fn push(&mut self, n: ~ToStr) {
@@ -34,7 +34,7 @@ impl List {
 
 fn main() {
     let n = ~Number { n: 42 };
-    let mut l = ~List { list: ~[] };
+    let mut l = ~List { list: Vec::new() };
     l.push(n);
     let x = n.to_str();
     //~^ ERROR: use of moved value: `n`
diff --git a/src/test/compile-fail/vec-field.rs b/src/test/compile-fail/vec-field.rs
index d97c32a64a47c..d7d1804da75a8 100644
--- a/src/test/compile-fail/vec-field.rs
+++ b/src/test/compile-fail/vec-field.rs
@@ -8,11 +8,11 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// error-pattern:attempted access of field `some_field_name` on type `~[int]`
+// error-pattern:attempted access of field `some_field_name`
 // issue #367
 
 fn f() {
-    let v = ~[1i];
+    let v = vec!(1i);
     info!("{}", v.some_field_name); //type error
 }
 
diff --git a/src/test/compile-fail/vec-mut-iter-borrow.rs b/src/test/compile-fail/vec-mut-iter-borrow.rs
index 72dbd82e947f1..a3c7fc2d4c8af 100644
--- a/src/test/compile-fail/vec-mut-iter-borrow.rs
+++ b/src/test/compile-fail/vec-mut-iter-borrow.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 
 fn main() {
-    let mut xs = ~[1, 2, 3, 4];
+    let mut xs = vec!(1, 2, 3, 4);
 
     for x in xs.mut_iter() {
         xs.push(1) //~ ERROR cannot borrow `xs`
diff --git a/src/test/compile-fail/vec-res-add.rs b/src/test/compile-fail/vec-res-add.rs
index 3545392d5d9f7..4513b7861b64b 100644
--- a/src/test/compile-fail/vec-res-add.rs
+++ b/src/test/compile-fail/vec-res-add.rs
@@ -22,8 +22,8 @@ impl Drop for r {
 
 fn main() {
     // This can't make sense as it would copy the classes
-    let i = ~[r(0)];
-    let j = ~[r(1)];
+    let i = vec!(r(0));
+    let j = vec!(r(1));
     let k = i + j;
     info!("{}", j);
 }
diff --git a/src/test/compile-fail/vector-no-ann.rs b/src/test/compile-fail/vector-no-ann.rs
index 4dc3490522741..985a094d5a8c2 100644
--- a/src/test/compile-fail/vector-no-ann.rs
+++ b/src/test/compile-fail/vector-no-ann.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 fn main() {
-    let _foo = ~[]; //~ ERROR unconstrained type
+    let _foo = Vec::new(); //~ ERROR unconstrained type
 }
diff --git a/src/test/compile-fail/writing-to-immutable-vec.rs b/src/test/compile-fail/writing-to-immutable-vec.rs
index faa3d6cfe47e7..00d537f95bf98 100644
--- a/src/test/compile-fail/writing-to-immutable-vec.rs
+++ b/src/test/compile-fail/writing-to-immutable-vec.rs
@@ -8,7 +8,9 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 fn main() {
-    let v: ~[int] = ~[1, 2, 3];
-    v[1] = 4; //~ ERROR cannot assign
+    let v: Vec<int> = vec!(1, 2, 3);
+    *v.get(1) = 4; //~ ERROR cannot assign
 }
diff --git a/src/test/debug-info/boxed-vec.rs b/src/test/debug-info/boxed-vec.rs
index 810f0d2468aaa..5ddce3c60e177 100644
--- a/src/test/debug-info/boxed-vec.rs
+++ b/src/test/debug-info/boxed-vec.rs
@@ -26,7 +26,7 @@
 
 fn main() {
 
-    let unique: ~[i64] = ~[10, 11, 12, 13];
+    let unique: Vec<i64> = vec!(10, 11, 12, 13);
 
     zzz();
 }
diff --git a/src/test/debug-info/issue11600.rs b/src/test/debug-info/issue11600.rs
index 83ad5c4c7fabf..baf020672ec52 100644
--- a/src/test/debug-info/issue11600.rs
+++ b/src/test/debug-info/issue11600.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 
 fn main() {
-    let args : ~[~str] = ::std::os::args();
+    let args : Vec<~str> = ::std::os::args();
     ::std::io::println(args[0]);
 }
 
diff --git a/src/test/debug-info/managed-pointer-within-unique-vec.rs b/src/test/debug-info/managed-pointer-within-unique-vec.rs
index 5b9ab0e8ce5aa..50f394613929a 100644
--- a/src/test/debug-info/managed-pointer-within-unique-vec.rs
+++ b/src/test/debug-info/managed-pointer-within-unique-vec.rs
@@ -33,7 +33,7 @@
 
 fn main() {
 
-    let unique: ~[@i64] = ~[@10, @11, @12, @13];
+    let unique: Vec<@i64> = vec!(@10, @11, @12, @13);
 
     zzz();
 }
diff --git a/src/test/pretty/block-disambig.rs b/src/test/pretty/block-disambig.rs
index 3f789fa456a9c..acc03831290d0 100644
--- a/src/test/pretty/block-disambig.rs
+++ b/src/test/pretty/block-disambig.rs
@@ -15,6 +15,7 @@
 #[feature(managed_boxes)];
 
 use std::cell::Cell;
+use std::vec_ng::Vec;
 
 fn test1() { let val = @0; { } *val; }
 
@@ -59,9 +60,9 @@ fn test9() {
 }
 
 fn test10() -> int {
-    let regs = @~[0];
+    let regs = @vec!(0);
     match true { true => { } _ => { } }
-    (*regs)[0]
+    *(*regs).get(0)
 }
 
-fn test11() -> ~[int] { if true { } ~[1, 2] }
+fn test11() -> Vec<int> { if true { } vec!(1, 2) }
diff --git a/src/test/pretty/match-naked-expr-medium.rs b/src/test/pretty/match-naked-expr-medium.rs
index 4ae129c7b7307..5b52acdff5069 100644
--- a/src/test/pretty/match-naked-expr-medium.rs
+++ b/src/test/pretty/match-naked-expr-medium.rs
@@ -14,7 +14,7 @@ fn main() {
     let x = Some(3);
     let _y =
         match x {
-            Some(_) => ~[~"some(_)", ~"not", ~"SO", ~"long", ~"string"],
-            None => ~[~"none"]
+            Some(_) => [~"some(_)", ~"not", ~"SO", ~"long", ~"string"],
+            None => [~"none", ~"a", ~"a", ~"a", ~"a"]
         };
 }
diff --git a/src/test/pretty/vec-comments.pp b/src/test/pretty/vec-comments.pp
index a09e341a9402f..dc2dae1044dac 100644
--- a/src/test/pretty/vec-comments.pp
+++ b/src/test/pretty/vec-comments.pp
@@ -13,27 +13,27 @@
 // pp-exact:vec-comments.pp
 fn main() {
     let _v1 =
-        ~[
-          // Comment
-          0,
-          // Comment
-          1,
-          // Comment
-          2];
+        [
+         // Comment
+         0,
+         // Comment
+         1,
+         // Comment
+         2];
     let _v2 =
-        ~[0, // Comment
-          1, // Comment
-          2]; // Comment
+        [0, // Comment
+         1, // Comment
+         2]; // Comment
     let _v3 =
-        ~[
-          /* Comment */
-          0,
-          /* Comment */
-          1,
-          /* Comment */
-          2];
+        [
+         /* Comment */
+         0,
+         /* Comment */
+         1,
+         /* Comment */
+         2];
     let _v4 =
-        ~[0, /* Comment */
-          1, /* Comment */
-          2]; /* Comment */
+        [0, /* Comment */
+         1, /* Comment */
+         2]; /* Comment */
 }
diff --git a/src/test/pretty/vec-comments.rs b/src/test/pretty/vec-comments.rs
index a09e341a9402f..dc2dae1044dac 100644
--- a/src/test/pretty/vec-comments.rs
+++ b/src/test/pretty/vec-comments.rs
@@ -13,27 +13,27 @@
 // pp-exact:vec-comments.pp
 fn main() {
     let _v1 =
-        ~[
-          // Comment
-          0,
-          // Comment
-          1,
-          // Comment
-          2];
+        [
+         // Comment
+         0,
+         // Comment
+         1,
+         // Comment
+         2];
     let _v2 =
-        ~[0, // Comment
-          1, // Comment
-          2]; // Comment
+        [0, // Comment
+         1, // Comment
+         2]; // Comment
     let _v3 =
-        ~[
-          /* Comment */
-          0,
-          /* Comment */
-          1,
-          /* Comment */
-          2];
+        [
+         /* Comment */
+         0,
+         /* Comment */
+         1,
+         /* Comment */
+         2];
     let _v4 =
-        ~[0, /* Comment */
-          1, /* Comment */
-          2]; /* Comment */
+        [0, /* Comment */
+         1, /* Comment */
+         2]; /* Comment */
 }
diff --git a/src/test/pretty/vec-type.pp b/src/test/pretty/vec-type.pp
deleted file mode 100644
index d84f43d70050c..0000000000000
--- a/src/test/pretty/vec-type.pp
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-// pp-exact:vec-type.pp
-
-fn f1(_x: ~[int]) { }
-
-fn g1() { f1(~[1, 2, 3]); }
diff --git a/src/test/pretty/vec-type.rs b/src/test/pretty/vec-type.rs
deleted file mode 100644
index d84f43d70050c..0000000000000
--- a/src/test/pretty/vec-type.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-// pp-exact:vec-type.pp
-
-fn f1(_x: ~[int]) { }
-
-fn g1() { f1(~[1, 2, 3]); }
diff --git a/src/test/run-fail/bug-2470-bounds-check-overflow-2.rs b/src/test/run-fail/bug-2470-bounds-check-overflow-2.rs
index 0541dcca64d4d..16e37e128abea 100644
--- a/src/test/run-fail/bug-2470-bounds-check-overflow-2.rs
+++ b/src/test/run-fail/bug-2470-bounds-check-overflow-2.rs
@@ -14,7 +14,7 @@
 use std::uint;
 
 fn main() {
-    let x = ~[1u,2u,3u];
+    let x = vec!(1u,2u,3u);
 
     // This should cause a bounds-check failure, but may not if we do our
     // bounds checking by comparing a scaled index value to the vector's
diff --git a/src/test/run-fail/bug-2470-bounds-check-overflow-3.rs b/src/test/run-fail/bug-2470-bounds-check-overflow-3.rs
index c95d128c08561..30ad9d50c8830 100644
--- a/src/test/run-fail/bug-2470-bounds-check-overflow-3.rs
+++ b/src/test/run-fail/bug-2470-bounds-check-overflow-3.rs
@@ -15,7 +15,7 @@ use std::u64;
 
 #[cfg(target_arch="x86")]
 fn main() {
-    let x = ~[1u,2u,3u];
+    let x = vec!(1u,2u,3u);
 
     // This should cause a bounds-check failure, but may not if we do our
     // bounds checking by truncating the index value to the size of the
@@ -35,6 +35,6 @@ fn main() {
 #[cfg(target_arch="x86_64")]
 fn main() {
     // This version just fails anyways, for symmetry on 64-bit hosts.
-    let x = ~[1u,2u,3u];
+    let x = vec!(1u,2u,3u);
     error!("ov3 0x%x",  x[200]);
 }
diff --git a/src/test/run-fail/bug-2470-bounds-check-overflow.rs b/src/test/run-fail/bug-2470-bounds-check-overflow.rs
index 932b9a0d45106..c476863abd3ca 100644
--- a/src/test/run-fail/bug-2470-bounds-check-overflow.rs
+++ b/src/test/run-fail/bug-2470-bounds-check-overflow.rs
@@ -20,7 +20,7 @@ fn main() {
     // address of the 0th cell in the array (even though the index is
     // huge).
 
-    let x = ~[1u,2u,3u];
+    let x = vec!(1u,2u,3u);
 
     let base = x.as_ptr() as uint;
     let idx = base / mem::size_of::<uint>();
@@ -31,5 +31,5 @@ fn main() {
            idx * mem::size_of::<uint>());
 
     // This should fail.
-    error!("ov1 0x{:x}",  x[idx]);
+    error!("ov1 0x{:x}", *x.get(idx));
 }
diff --git a/src/test/run-fail/issue-3029.rs b/src/test/run-fail/issue-3029.rs
index 44364007c067e..365be5b75275a 100644
--- a/src/test/run-fail/issue-3029.rs
+++ b/src/test/run-fail/issue-3029.rs
@@ -12,10 +12,12 @@
 #[allow(unreachable_code)];
 #[allow(unused_variable)];
 
+use std::vec_ng::Vec;
+
 // error-pattern:so long
 fn main() {
-    let mut x = ~[];
-    let y = ~[3];
+    let mut x = Vec::new();
+    let y = vec!(3);
     fail!("so long");
     x.push_all_move(y);
     ~"good" + ~"bye";
diff --git a/src/test/run-fail/unwind-box-vec.rs b/src/test/run-fail/unwind-box-vec.rs
index 4a5cd27011605..3978f49924ba4 100644
--- a/src/test/run-fail/unwind-box-vec.rs
+++ b/src/test/run-fail/unwind-box-vec.rs
@@ -17,7 +17,7 @@ fn failfn() {
 }
 
 fn main() {
-    let x = @~[0, 1, 2, 3, 4, 5];
+    let x = @vec!(0, 1, 2, 3, 4, 5);
     failfn();
     error!("{:?}", x);
 }
diff --git a/src/test/run-fail/unwind-interleaved.rs b/src/test/run-fail/unwind-interleaved.rs
index 365204d5c9e4d..6f2400ec4f0e4 100644
--- a/src/test/run-fail/unwind-interleaved.rs
+++ b/src/test/run-fail/unwind-interleaved.rs
@@ -15,8 +15,8 @@ fn a() { }
 fn b() { fail!(); }
 
 fn main() {
-    let _x = ~[0];
+    let _x = vec!(0);
     a();
-    let _y = ~[0];
+    let _y = vec!(0);
     b();
 }
diff --git a/src/test/run-fail/unwind-misc-1.rs b/src/test/run-fail/unwind-misc-1.rs
index f9abb1566bb0f..6448926903ff7 100644
--- a/src/test/run-fail/unwind-misc-1.rs
+++ b/src/test/run-fail/unwind-misc-1.rs
@@ -15,13 +15,17 @@
 
 extern crate collections;
 
+use std::vec_ng::Vec;
+use std::vec_ng;
+
 fn main() {
     let _count = @0u;
     let mut map = collections::HashMap::new();
-    let mut arr = ~[];
+    let mut arr = Vec::new();
     for _i in range(0u, 10u) {
         arr.push(@~"key stuff");
-        map.insert(arr.clone(), arr + &[@~"value stuff"]);
+        map.insert(arr.clone(),
+                   vec_ng::append(arr.clone(), &[@~"value stuff"]));
         if arr.len() == 5 {
             fail!();
         }
diff --git a/src/test/run-fail/unwind-partial-box.rs b/src/test/run-fail/unwind-partial-box.rs
index 7239cad762d90..80e1b60ee5a9e 100644
--- a/src/test/run-fail/unwind-partial-box.rs
+++ b/src/test/run-fail/unwind-partial-box.rs
@@ -12,7 +12,9 @@
 
 #[feature(managed_boxes)];
 
-fn f() -> ~[int] { fail!(); }
+use std::vec_ng::Vec;
+
+fn f() -> Vec<int> { fail!(); }
 
 // Voodoo. In unwind-alt we had to do this to trigger the bug. Might
 // have been to do with memory allocation patterns.
diff --git a/src/test/run-fail/unwind-partial-unique.rs b/src/test/run-fail/unwind-partial-unique.rs
index 6339e72fe469c..7f163a2a9e43f 100644
--- a/src/test/run-fail/unwind-partial-unique.rs
+++ b/src/test/run-fail/unwind-partial-unique.rs
@@ -12,7 +12,9 @@
 
 #[feature(managed_boxes)];
 
-fn f() -> ~[int] { fail!(); }
+use std::vec_ng::Vec;
+
+fn f() -> Vec<int> { fail!(); }
 
 // Voodoo. In unwind-alt we had to do this to trigger the bug. Might
 // have been to do with memory allocation patterns.
diff --git a/src/test/run-fail/unwind-partial-vec.rs b/src/test/run-fail/unwind-partial-vec.rs
index 9560e0275d490..669edb4544bd3 100644
--- a/src/test/run-fail/unwind-partial-vec.rs
+++ b/src/test/run-fail/unwind-partial-vec.rs
@@ -12,7 +12,9 @@
 
 #[feature(managed_boxes)];
 
-fn f() -> ~[int] { fail!(); }
+use std::vec_ng::Vec;
+
+fn f() -> Vec<int> { fail!(); }
 
 // Voodoo. In unwind-alt we had to do this to trigger the bug. Might
 // have been to do with memory allocation patterns.
@@ -21,7 +23,7 @@ fn prime() {
 }
 
 fn partial() {
-    let _x = ~[~[0], f(), ~[0]];
+    let _x = vec!(vec!(0), f(), vec!(0));
 }
 
 fn main() {
diff --git a/src/test/run-fail/unwind-rec.rs b/src/test/run-fail/unwind-rec.rs
index 016654500b4ac..053bc0cb58c64 100644
--- a/src/test/run-fail/unwind-rec.rs
+++ b/src/test/run-fail/unwind-rec.rs
@@ -10,11 +10,13 @@
 
 // error-pattern:fail
 
-fn build() -> ~[int] {
+use std::vec_ng::Vec;
+
+fn build() -> Vec<int> {
     fail!();
 }
 
-struct Blk { node: ~[int] }
+struct Blk { node: Vec<int> }
 
 fn main() {
     let _blk = Blk {
diff --git a/src/test/run-fail/unwind-rec2.rs b/src/test/run-fail/unwind-rec2.rs
index 49a35181a8b2e..7b18c678be6f7 100644
--- a/src/test/run-fail/unwind-rec2.rs
+++ b/src/test/run-fail/unwind-rec2.rs
@@ -10,15 +10,17 @@
 
 // error-pattern:fail
 
-fn build1() -> ~[int] {
-    ~[0,0,0,0,0,0,0]
+use std::vec_ng::Vec;
+
+fn build1() -> Vec<int> {
+    vec!(0,0,0,0,0,0,0)
 }
 
-fn build2() -> ~[int] {
+fn build2() -> Vec<int> {
     fail!();
 }
 
-struct Blk { node: ~[int], span: ~[int] }
+struct Blk { node: Vec<int> , span: Vec<int> }
 
 fn main() {
     let _blk = Blk {
diff --git a/src/test/run-fail/unwind-tup.rs b/src/test/run-fail/unwind-tup.rs
index 2dd353f8e215d..fd1c13a5018f6 100644
--- a/src/test/run-fail/unwind-tup.rs
+++ b/src/test/run-fail/unwind-tup.rs
@@ -10,9 +10,11 @@
 
 #[feature(managed_boxes)];
 
+use std::vec_ng::Vec;
+
 // error-pattern:fail
 
-fn fold_local() -> @~[int]{
+fn fold_local() -> @Vec<int> {
     fail!();
 }
 
diff --git a/src/test/run-fail/unwind-tup2.rs b/src/test/run-fail/unwind-tup2.rs
index b86d7f11e85d9..6735168e83a91 100644
--- a/src/test/run-fail/unwind-tup2.rs
+++ b/src/test/run-fail/unwind-tup2.rs
@@ -10,13 +10,15 @@
 
 #[feature(managed_boxes)];
 
+use std::vec_ng::Vec;
+
 // error-pattern:fail
 
-fn fold_local() -> @~[int]{
-    @~[0,0,0,0,0,0]
+fn fold_local() -> @Vec<int> {
+    @vec!(0,0,0,0,0,0)
 }
 
-fn fold_remote() -> @~[int]{
+fn fold_remote() -> @Vec<int> {
     fail!();
 }
 
diff --git a/src/test/run-fail/vec-overrun.rs b/src/test/run-fail/vec-overrun.rs
index e7421fe241d7c..169c00182dd39 100644
--- a/src/test/run-fail/vec-overrun.rs
+++ b/src/test/run-fail/vec-overrun.rs
@@ -8,13 +8,15 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
 // error-pattern:index out of bounds: the len is 1 but the index is 2
+
+use std::vec_ng::Vec;
+
 fn main() {
-    let v: ~[int] = ~[10];
-    let x: int = 0;
-    assert_eq!(v[x], 10);
+    let v: Vec<int> = vec!(10);
+    let x: uint = 0;
+    assert_eq!(*v.get(x), 10);
     // Bounds-check failure.
 
-    assert_eq!(v[x + 2], 20);
+    assert_eq!(*v.get(x + 2), 20);
 }
diff --git a/src/test/run-pass-fulldeps/qquote.rs b/src/test/run-pass-fulldeps/qquote.rs
index 0e31cbd2e955c..650d4ea631e60 100644
--- a/src/test/run-pass-fulldeps/qquote.rs
+++ b/src/test/run-pass-fulldeps/qquote.rs
@@ -36,7 +36,7 @@ trait fake_ext_ctxt {
 type fake_session = parse::parse_sess;
 
 impl fake_ext_ctxt for fake_session {
-    fn cfg() -> ast::CrateConfig { ~[] }
+    fn cfg() -> ast::CrateConfig { Vec::new() }
     fn parse_sess() -> parse::parse_sess { self }
     fn call_site() -> span {
         codemap::span {
diff --git a/src/test/run-pass-fulldeps/quote-tokens.rs b/src/test/run-pass-fulldeps/quote-tokens.rs
index b11515ac24bd9..1bf601f71b4cf 100644
--- a/src/test/run-pass-fulldeps/quote-tokens.rs
+++ b/src/test/run-pass-fulldeps/quote-tokens.rs
@@ -18,8 +18,8 @@ extern crate syntax;
 use syntax::ext::base::ExtCtxt;
 
 fn syntax_extension(cx: &ExtCtxt) {
-    let e_toks : ~[syntax::ast::token_tree] = quote_tokens!(cx, 1 + 2);
-    let p_toks : ~[syntax::ast::token_tree] = quote_tokens!(cx, (x, 1 .. 4, *));
+    let e_toks : Vec<syntax::ast::token_tree> = quote_tokens!(cx, 1 + 2);
+    let p_toks : Vec<syntax::ast::token_tree> = quote_tokens!(cx, (x, 1 .. 4, *));
 
     let a: @syntax::ast::Expr = quote_expr!(cx, 1 + 2);
     let _b: Option<@syntax::ast::item> = quote_item!(cx, static foo : int = $e_toks; );
diff --git a/src/test/run-pass/alloca-from-derived-tydesc.rs b/src/test/run-pass/alloca-from-derived-tydesc.rs
index ddaa38223ecae..f9320f6b03923 100644
--- a/src/test/run-pass/alloca-from-derived-tydesc.rs
+++ b/src/test/run-pass/alloca-from-derived-tydesc.rs
@@ -8,10 +8,12 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 enum option<T> { some(T), none, }
 
-struct R<T> {v: ~[option<T>]}
+struct R<T> {v: Vec<option<T>> }
 
-fn f<T>() -> ~[T] { return ~[]; }
+fn f<T>() -> Vec<T> { return Vec::new(); }
 
-pub fn main() { let mut r: R<int> = R {v: ~[]}; r.v = f(); }
+pub fn main() { let mut r: R<int> = R {v: Vec::new()}; r.v = f(); }
diff --git a/src/test/run-pass/assignability-trait.rs b/src/test/run-pass/assignability-trait.rs
index 85c5ae444ebda..60a7101c8201d 100644
--- a/src/test/run-pass/assignability-trait.rs
+++ b/src/test/run-pass/assignability-trait.rs
@@ -12,6 +12,8 @@
 // making method calls, but only if there aren't any matches without
 // it.
 
+use std::vec_ng::Vec;
+
 trait iterable<A> {
     fn iterate(&self, blk: |x: &A| -> bool) -> bool;
 }
@@ -22,7 +24,7 @@ impl<'a,A> iterable<A> for &'a [A] {
     }
 }
 
-impl<A> iterable<A> for ~[A] {
+impl<A> iterable<A> for Vec<A> {
     fn iterate(&self, f: |x: &A| -> bool) -> bool {
         self.iter().advance(f)
     }
@@ -38,14 +40,14 @@ fn length<A, T: iterable<A>>(x: T) -> uint {
 }
 
 pub fn main() {
-    let x = ~[0,1,2,3];
+    let x: Vec<int> = vec!(0,1,2,3);
     // Call a method
-    x.iterate(|y| { assert!(x[*y] == *y); true });
+    x.iterate(|y| { assert!(*x.get(*y as uint) == *y); true });
     // Call a parameterized function
     assert_eq!(length(x.clone()), x.len());
     // Call a parameterized function, with type arguments that require
     // a borrow
-    assert_eq!(length::<int, &[int]>(x), x.len());
+    assert_eq!(length::<int, &[int]>(x.as_slice()), x.len());
 
     // Now try it with a type that *needs* to be borrowed
     let z = [0,1,2,3];
diff --git a/src/test/run-pass/auto-encode.rs b/src/test/run-pass/auto-encode.rs
index 1ce6c1b77dda7..e7ee61179921d 100644
--- a/src/test/run-pass/auto-encode.rs
+++ b/src/test/run-pass/auto-encode.rs
@@ -119,7 +119,7 @@ struct Spanned<T> {
 }
 
 #[deriving(Decodable, Encodable)]
-struct SomeStruct { v: ~[uint] }
+struct SomeStruct { v: Vec<uint> }
 
 #[deriving(Decodable, Encodable)]
 struct Point {x: uint, y: uint}
diff --git a/src/test/run-pass/auto-loop.rs b/src/test/run-pass/auto-loop.rs
index 33aee55b8c738..e5f4d07874998 100644
--- a/src/test/run-pass/auto-loop.rs
+++ b/src/test/run-pass/auto-loop.rs
@@ -10,7 +10,7 @@
 
 pub fn main() {
     let mut sum = 0;
-    let xs = ~[1, 2, 3, 4, 5];
+    let xs = vec!(1, 2, 3, 4, 5);
     for x in xs.iter() {
         sum += *x;
     }
diff --git a/src/test/run-pass/auto-ref-slice-plus-ref.rs b/src/test/run-pass/auto-ref-slice-plus-ref.rs
index c22e25e5d95be..86e1b18a57416 100644
--- a/src/test/run-pass/auto-ref-slice-plus-ref.rs
+++ b/src/test/run-pass/auto-ref-slice-plus-ref.rs
@@ -29,7 +29,7 @@ pub fn main() {
     // NB: Associativity of ~, etc. in this context is surprising. These must be parenthesized
 
     ([1]).test_imm();
-    (~[1]).test_imm();
+    (vec!(1)).as_slice().test_imm();
     (&[1]).test_imm();
     ("test").test_imm();
     (~"test").test_imm();
diff --git a/src/test/run-pass/auto-ref-sliceable.rs b/src/test/run-pass/auto-ref-sliceable.rs
index 8e2b3b56736e2..82d2a58a556e6 100644
--- a/src/test/run-pass/auto-ref-sliceable.rs
+++ b/src/test/run-pass/auto-ref-sliceable.rs
@@ -8,19 +8,21 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 trait Pushable<T> {
     fn push_val(&mut self, t: T);
 }
 
-impl<T> Pushable<T> for ~[T] {
+impl<T> Pushable<T> for Vec<T> {
     fn push_val(&mut self, t: T) {
         self.push(t);
     }
 }
 
 pub fn main() {
-    let mut v = ~[1];
+    let mut v = vec!(1);
     v.push_val(2);
     v.push_val(3);
-    assert_eq!(v, ~[1, 2, 3]);
+    assert_eq!(v, vec!(1, 2, 3));
 }
diff --git a/src/test/run-pass/autobind.rs b/src/test/run-pass/autobind.rs
index c0ceb50a2c4be..db528c4fd0877 100644
--- a/src/test/run-pass/autobind.rs
+++ b/src/test/run-pass/autobind.rs
@@ -8,12 +8,14 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-fn f<T>(x: ~[T]) -> T { return x[0]; }
+use std::vec_ng::Vec;
 
-fn g(act: |~[int]| -> int) -> int { return act(~[1, 2, 3]); }
+fn f<T>(x: Vec<T>) -> T { return x.move_iter().next().unwrap(); }
+
+fn g(act: |Vec<int> | -> int) -> int { return act(vec!(1, 2, 3)); }
 
 pub fn main() {
     assert_eq!(g(f), 1);
-    let f1: |~[~str]| -> ~str = f;
-    assert_eq!(f1(~[~"x", ~"y", ~"z"]), ~"x");
+    let f1: |Vec<~str> | -> ~str = f;
+    assert_eq!(f1(vec!(~"x", ~"y", ~"z")), ~"x");
 }
diff --git a/src/test/run-pass/block-arg.rs b/src/test/run-pass/block-arg.rs
index d59804b23954e..fd83f6a9c763b 100644
--- a/src/test/run-pass/block-arg.rs
+++ b/src/test/run-pass/block-arg.rs
@@ -18,7 +18,7 @@ fn booly(fun: proc(bool) -> bool) -> bool {
 
 // Check usage and precedence of block arguments in expressions:
 pub fn main() {
-    let v = ~[-1.0f64, 0.0, 1.0, 2.0, 3.0];
+    let v = vec!(-1.0f64, 0.0, 1.0, 2.0, 3.0);
 
     // Statement form does not require parentheses:
     for i in v.iter() {
diff --git a/src/test/run-pass/block-iter-1.rs b/src/test/run-pass/block-iter-1.rs
index 4aebcd6aa24c9..5b065d1774e53 100644
--- a/src/test/run-pass/block-iter-1.rs
+++ b/src/test/run-pass/block-iter-1.rs
@@ -10,10 +10,12 @@
 
 // ignore-fast
 
-fn iter_vec<T>(v: ~[T], f: |&T|) { for x in v.iter() { f(x); } }
+use std::vec_ng::Vec;
+
+fn iter_vec<T>(v: Vec<T> , f: |&T|) { for x in v.iter() { f(x); } }
 
 pub fn main() {
-    let v = ~[1, 2, 3, 4, 5, 6, 7];
+    let v = vec!(1, 2, 3, 4, 5, 6, 7);
     let mut odds = 0;
     iter_vec(v, |i| {
         if *i % 2 == 1 {
diff --git a/src/test/run-pass/block-iter-2.rs b/src/test/run-pass/block-iter-2.rs
index 2e149f88478c1..2700dcb1051fc 100644
--- a/src/test/run-pass/block-iter-2.rs
+++ b/src/test/run-pass/block-iter-2.rs
@@ -10,10 +10,12 @@
 
 // ignore-fast
 
-fn iter_vec<T>(v: ~[T], f: |&T|) { for x in v.iter() { f(x); } }
+use std::vec_ng::Vec;
+
+fn iter_vec<T>(v: Vec<T> , f: |&T|) { for x in v.iter() { f(x); } }
 
 pub fn main() {
-    let v = ~[1, 2, 3, 4, 5];
+    let v = vec!(1, 2, 3, 4, 5);
     let mut sum = 0;
     iter_vec(v.clone(), |i| {
         iter_vec(v.clone(), |j| {
diff --git a/src/test/run-pass/borrow-by-val-method-receiver.rs b/src/test/run-pass/borrow-by-val-method-receiver.rs
index 386f5f673d69a..df334a6fcec55 100644
--- a/src/test/run-pass/borrow-by-val-method-receiver.rs
+++ b/src/test/run-pass/borrow-by-val-method-receiver.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 trait Foo {
     fn foo(self);
 }
@@ -17,6 +19,6 @@ impl<'a> Foo for &'a [int] {
 }
 
 pub fn main() {
-    let items = ~[ 3, 5, 1, 2, 4 ];
-    items.foo();
+    let items = vec!( 3, 5, 1, 2, 4 );
+    items.as_slice().foo();
 }
diff --git a/src/test/run-pass/borrowck-binding-mutbl.rs b/src/test/run-pass/borrowck-binding-mutbl.rs
index 377ed2608e513..67233c29258b1 100644
--- a/src/test/run-pass/borrowck-binding-mutbl.rs
+++ b/src/test/run-pass/borrowck-binding-mutbl.rs
@@ -8,17 +8,19 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-struct F { f: ~[int] }
+use std::vec_ng::Vec;
+
+struct F { f: Vec<int> }
 
 fn impure(_v: &[int]) {
 }
 
 pub fn main() {
-    let mut x = F {f: ~[3]};
+    let mut x = F {f: vec!(3)};
 
     match x {
       F {f: ref mut v} => {
-        impure(*v);
+        impure(v.as_slice());
       }
     }
 }
diff --git a/src/test/run-pass/borrowck-mut-uniq.rs b/src/test/run-pass/borrowck-mut-uniq.rs
index 10760236e6dc3..abfb6e40f0913 100644
--- a/src/test/run-pass/borrowck-mut-uniq.rs
+++ b/src/test/run-pass/borrowck-mut-uniq.rs
@@ -9,12 +9,13 @@
 // except according to those terms.
 
 use std::mem::swap;
+use std::vec_ng::Vec;
 
-struct Ints {sum: ~int, values: ~[int]}
+struct Ints {sum: ~int, values: Vec<int> }
 
 fn add_int(x: &mut Ints, v: int) {
     *x.sum += v;
-    let mut values = ~[];
+    let mut values = Vec::new();
     swap(&mut values, &mut x.values);
     values.push(v);
     swap(&mut values, &mut x.values);
@@ -22,11 +23,11 @@ fn add_int(x: &mut Ints, v: int) {
 
 fn iter_ints(x: &Ints, f: |x: &int| -> bool) -> bool {
     let l = x.values.len();
-    range(0u, l).advance(|i| f(&x.values[i]))
+    range(0u, l).advance(|i| f(x.values.get(i)))
 }
 
 pub fn main() {
-    let mut ints = ~Ints {sum: ~0, values: ~[]};
+    let mut ints = ~Ints {sum: ~0, values: Vec::new()};
     add_int(ints, 22);
     add_int(ints, 44);
 
diff --git a/src/test/run-pass/borrowck-mut-vec-as-imm-slice.rs b/src/test/run-pass/borrowck-mut-vec-as-imm-slice.rs
index 1ca94d6a2219e..0b46f49ad9360 100644
--- a/src/test/run-pass/borrowck-mut-vec-as-imm-slice.rs
+++ b/src/test/run-pass/borrowck-mut-vec-as-imm-slice.rs
@@ -8,16 +8,18 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 fn want_slice(v: &[int]) -> int {
     let mut sum = 0;
     for i in v.iter() { sum += *i; }
     sum
 }
 
-fn has_mut_vec(v: ~[int]) -> int {
-    want_slice(v)
+fn has_mut_vec(v: Vec<int> ) -> int {
+    want_slice(v.as_slice())
 }
 
 pub fn main() {
-    assert_eq!(has_mut_vec(~[1, 2, 3]), 6);
+    assert_eq!(has_mut_vec(vec!(1, 2, 3)), 6);
 }
diff --git a/src/test/run-pass/borrowck-root-while-cond-2.rs b/src/test/run-pass/borrowck-root-while-cond-2.rs
index 9511d1b40e60c..bb346bccd5152 100644
--- a/src/test/run-pass/borrowck-root-while-cond-2.rs
+++ b/src/test/run-pass/borrowck-root-while-cond-2.rs
@@ -10,10 +10,12 @@
 
 #[feature(managed_boxes)];
 
+use std::vec_ng::Vec;
+
 struct F { f: @G }
-struct G { g: ~[int] }
+struct G { g: Vec<int> }
 
 pub fn main() {
-    let rec = @F {f: @G {g: ~[1, 2, 3]}};
+    let rec = @F {f: @G {g: vec!(1, 2, 3)}};
     while rec.f.g.len() == 23 {}
 }
diff --git a/src/test/run-pass/borrowck-root-while-cond.rs b/src/test/run-pass/borrowck-root-while-cond.rs
index a2d4991abc018..03ea9178eb90c 100644
--- a/src/test/run-pass/borrowck-root-while-cond.rs
+++ b/src/test/run-pass/borrowck-root-while-cond.rs
@@ -10,6 +10,8 @@
 
 #[feature(managed_boxes)];
 
+use std::vec_ng::Vec;
+
 fn borrow<'r,T>(x: &'r T) -> &'r T {x}
 
 struct Rec { f: @int }
diff --git a/src/test/run-pass/break.rs b/src/test/run-pass/break.rs
index 1ae77bc1eca84..bcfb8f6f9141a 100644
--- a/src/test/run-pass/break.rs
+++ b/src/test/run-pass/break.rs
@@ -25,7 +25,7 @@ pub fn main() {
         i += 1; if i % 2 == 0 { continue; } assert!((i % 2 != 0));
         if i >= 10 { break; }
     }
-    let ys = ~[1, 2, 3, 4, 5, 6];
+    let ys = vec!(1, 2, 3, 4, 5, 6);
     for x in ys.iter() {
         if *x % 2 == 0 { continue; }
         assert!((*x % 2 != 0));
diff --git a/src/test/run-pass/call-closure-from-overloaded-op.rs b/src/test/run-pass/call-closure-from-overloaded-op.rs
index 16728dffd19b1..34f6e5ab8fd83 100644
--- a/src/test/run-pass/call-closure-from-overloaded-op.rs
+++ b/src/test/run-pass/call-closure-from-overloaded-op.rs
@@ -8,10 +8,12 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 fn foo() -> int { 22 }
 
 pub fn main() {
-    let mut x: ~[extern "Rust" fn() -> int] = ~[];
+    let mut x: Vec<extern "Rust" fn() -> int> = Vec::new();
     x.push(foo);
-    assert_eq!((x[0])(), 22);
+    assert_eq!((*x.get(0))(), 22);
 }
diff --git a/src/test/run-pass/cci_no_inline_exe.rs b/src/test/run-pass/cci_no_inline_exe.rs
index faa2a35011704..c926a571ec363 100644
--- a/src/test/run-pass/cci_no_inline_exe.rs
+++ b/src/test/run-pass/cci_no_inline_exe.rs
@@ -22,7 +22,7 @@ pub fn main() {
     // actually working.
     //let bt0 = sys::frame_address();
     //info!("%?", bt0);
-    iter(~[1u, 2u, 3u], |i| {
+    iter(vec!(1u, 2u, 3u), |i| {
         println!("{}", i);
 
         //let bt1 = sys::frame_address();
diff --git a/src/test/run-pass/class-poly-methods-cross-crate.rs b/src/test/run-pass/class-poly-methods-cross-crate.rs
index 671d7a403531b..f8177bb0ada62 100644
--- a/src/test/run-pass/class-poly-methods-cross-crate.rs
+++ b/src/test/run-pass/class-poly-methods-cross-crate.rs
@@ -14,12 +14,12 @@ extern crate cci_class_6;
 use cci_class_6::kitties::cat;
 
 pub fn main() {
-  let mut nyan : cat<char> = cat::<char>(52u, 99, ~['p']);
-  let mut kitty = cat(1000u, 2, ~[~"tabby"]);
+  let mut nyan : cat<char> = cat::<char>(52u, 99, vec!('p'));
+  let mut kitty = cat(1000u, 2, vec!(~"tabby"));
   assert_eq!(nyan.how_hungry, 99);
   assert_eq!(kitty.how_hungry, 2);
-  nyan.speak(~[1u,2u,3u]);
+  nyan.speak(vec!(1u,2u,3u));
   assert_eq!(nyan.meow_count(), 55u);
-  kitty.speak(~[~"meow", ~"mew", ~"purr", ~"chirp"]);
+  kitty.speak(vec!(~"meow", ~"mew", ~"purr", ~"chirp"));
   assert_eq!(kitty.meow_count(), 1004u);
 }
diff --git a/src/test/run-pass/class-poly-methods.rs b/src/test/run-pass/class-poly-methods.rs
index f4d3a115ef136..02ba8b900be72 100644
--- a/src/test/run-pass/class-poly-methods.rs
+++ b/src/test/run-pass/class-poly-methods.rs
@@ -8,21 +8,23 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 struct cat<U> {
-    info : ~[U],
+    info : Vec<U> ,
     meows : uint,
 
     how_hungry : int,
 }
 
 impl<U> cat<U> {
-    pub fn speak<T>(&mut self, stuff: ~[T]) {
+    pub fn speak<T>(&mut self, stuff: Vec<T> ) {
         self.meows += stuff.len();
     }
     pub fn meow_count(&mut self) -> uint { self.meows }
 }
 
-fn cat<U>(in_x : uint, in_y : int, in_info: ~[U]) -> cat<U> {
+fn cat<U>(in_x : uint, in_y : int, in_info: Vec<U> ) -> cat<U> {
     cat {
         meows: in_x,
         how_hungry: in_y,
@@ -31,12 +33,12 @@ fn cat<U>(in_x : uint, in_y : int, in_info: ~[U]) -> cat<U> {
 }
 
 pub fn main() {
-  let mut nyan : cat<int> = cat::<int>(52u, 99, ~[9]);
-  let mut kitty = cat(1000u, 2, ~[~"tabby"]);
+  let mut nyan : cat<int> = cat::<int>(52u, 99, vec!(9));
+  let mut kitty = cat(1000u, 2, vec!(~"tabby"));
   assert_eq!(nyan.how_hungry, 99);
   assert_eq!(kitty.how_hungry, 2);
-  nyan.speak(~[1,2,3]);
+  nyan.speak(vec!(1,2,3));
   assert_eq!(nyan.meow_count(), 55u);
-  kitty.speak(~[~"meow", ~"mew", ~"purr", ~"chirp"]);
+  kitty.speak(vec!(~"meow", ~"mew", ~"purr", ~"chirp"));
   assert_eq!(kitty.meow_count(), 1004u);
 }
diff --git a/src/test/run-pass/cleanup-rvalue-scopes.rs b/src/test/run-pass/cleanup-rvalue-scopes.rs
index 7ed59ec74b4d9..2911df412d817 100644
--- a/src/test/run-pass/cleanup-rvalue-scopes.rs
+++ b/src/test/run-pass/cleanup-rvalue-scopes.rs
@@ -15,6 +15,7 @@
 #[feature(macro_rules)];
 
 use std::ops::Drop;
+use std::vec_ng::Vec;
 
 static mut FLAGS: u64 = 0;
 
@@ -116,7 +117,6 @@ pub fn main() {
     end_of_block!(_, { { check_flags(0); &AddFlags(1) } });
     end_of_block!(_, &((Box { f: AddFlags(1) }).f));
     end_of_block!(_, &(([AddFlags(1)])[0]));
-    end_of_block!(_, &((&~[AddFlags(1)])[0]));
 
     // LHS does not create a ref binding, so temporary lives as long
     // as statement, and we do not move the AddFlags out:
diff --git a/src/test/run-pass/cleanup-rvalue-temp-during-incomplete-alloc.rs b/src/test/run-pass/cleanup-rvalue-temp-during-incomplete-alloc.rs
index ec422a54b3a7a..7bf7920fe070d 100644
--- a/src/test/run-pass/cleanup-rvalue-temp-during-incomplete-alloc.rs
+++ b/src/test/run-pass/cleanup-rvalue-temp-during-incomplete-alloc.rs
@@ -25,6 +25,7 @@
 // scenario worth testing.
 
 use std::task;
+use std::vec_ng::Vec;
 
 enum Conzabble {
     Bickwick(Foo)
@@ -36,12 +37,12 @@ fn do_it(x: &[uint]) -> Foo {
     fail!()
 }
 
-fn get_bar(x: uint) -> ~[uint] { ~[x * 2] }
+fn get_bar(x: uint) -> Vec<uint> { vec!(x * 2) }
 
 pub fn fails() {
     let x = 2;
-    let mut y = ~[];
-    y.push(~Bickwick(do_it(get_bar(x))));
+    let mut y = Vec::new();
+    y.push(~Bickwick(do_it(get_bar(x).as_slice())));
 }
 
 pub fn main() {
diff --git a/src/test/run-pass/coerce-reborrow-imm-vec-rcvr.rs b/src/test/run-pass/coerce-reborrow-imm-vec-rcvr.rs
index dee2b6f2568d7..937cb0f0dac84 100644
--- a/src/test/run-pass/coerce-reborrow-imm-vec-rcvr.rs
+++ b/src/test/run-pass/coerce-reborrow-imm-vec-rcvr.rs
@@ -8,16 +8,18 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-fn bar(v: &mut [uint]) -> ~[uint] {
-    v.to_owned()
+use std::vec_ng::Vec;
+
+fn bar(v: &mut [uint]) -> Vec<uint> {
+    Vec::from_slice(v)
 }
 
-fn bip(v: &[uint]) -> ~[uint] {
-    v.to_owned()
+fn bip(v: &[uint]) -> Vec<uint> {
+    Vec::from_slice(v)
 }
 
 pub fn main() {
-    let mut the_vec = ~[1u, 2, 3, 100];
-    assert_eq!(the_vec.clone(), bar(the_vec));
-    assert_eq!(the_vec.clone(), bip(the_vec));
+    let mut the_vec = vec!(1u, 2, 3, 100);
+    assert_eq!(the_vec.clone(), bar(the_vec.as_mut_slice()));
+    assert_eq!(the_vec.clone(), bip(the_vec.as_slice()));
 }
diff --git a/src/test/run-pass/coerce-reborrow-mut-vec-arg.rs b/src/test/run-pass/coerce-reborrow-mut-vec-arg.rs
index 0e205617173cb..be8bb861345b9 100644
--- a/src/test/run-pass/coerce-reborrow-mut-vec-arg.rs
+++ b/src/test/run-pass/coerce-reborrow-mut-vec-arg.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 fn reverse(v: &mut [uint]) {
     v.reverse();
 }
@@ -19,7 +21,7 @@ fn bar(v: &mut [uint]) {
 }
 
 pub fn main() {
-    let mut the_vec = ~[1, 2, 3, 100];
-    bar(the_vec);
-    assert_eq!(the_vec, ~[100, 3, 2, 1]);
+    let mut the_vec = vec!(1, 2, 3, 100);
+    bar(the_vec.as_mut_slice());
+    assert_eq!(the_vec, vec!(100, 3, 2, 1));
 }
diff --git a/src/test/run-pass/coerce-reborrow-mut-vec-rcvr.rs b/src/test/run-pass/coerce-reborrow-mut-vec-rcvr.rs
index 3deb31efd311d..686b8545b5ef8 100644
--- a/src/test/run-pass/coerce-reborrow-mut-vec-rcvr.rs
+++ b/src/test/run-pass/coerce-reborrow-mut-vec-rcvr.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 fn bar(v: &mut [uint]) {
     v.reverse();
     v.reverse();
@@ -15,7 +17,7 @@ fn bar(v: &mut [uint]) {
 }
 
 pub fn main() {
-    let mut the_vec = ~[1, 2, 3, 100];
-    bar(the_vec);
-    assert_eq!(the_vec, ~[100, 3, 2, 1]);
+    let mut the_vec = vec!(1, 2, 3, 100);
+    bar(the_vec.as_mut_slice());
+    assert_eq!(the_vec, vec!(100, 3, 2, 1));
 }
diff --git a/src/test/run-pass/const-enum-vec-repeat.rs b/src/test/run-pass/const-enum-vec-repeat.rs
deleted file mode 100644
index 44b91fcee3c71..0000000000000
--- a/src/test/run-pass/const-enum-vec-repeat.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-enum State { ST_NULL, ST_WHITESPACE = 1 }
-
-pub fn main() {
-    ~[ST_NULL, ..(ST_WHITESPACE as uint)];
-}
diff --git a/src/test/run-pass/deep-vector.rs b/src/test/run-pass/deep-vector.rs
index e6ae892093c8f..6a05dafb17cec 100644
--- a/src/test/run-pass/deep-vector.rs
+++ b/src/test/run-pass/deep-vector.rs
@@ -8,8 +8,13 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-test
+// ignore-fast
+//
+// Too big for our poor macro infrastructure.
+
 pub fn main() {
-    let _x = ~[
+    let _x = vec!(
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -2008,5 +2013,5 @@ pub fn main() {
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-    ];
+    );
 }
diff --git a/src/test/run-pass/deep-vector2.rs b/src/test/run-pass/deep-vector2.rs
index b644d1a8b1f9d..615e94c3f4e59 100644
--- a/src/test/run-pass/deep-vector2.rs
+++ b/src/test/run-pass/deep-vector2.rs
@@ -8,8 +8,13 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-test
+// ignore-fast
+//
+// Too big for our poor macro infrastructure.
+
 pub fn main() {
-    let _x = ~[
+    let _x = vec!(
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -8008,5 +8013,5 @@ pub fn main() {
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-    ];
+    );
 }
diff --git a/src/test/run-pass/empty-mutable-vec.rs b/src/test/run-pass/empty-mutable-vec.rs
index 6c90e011218c4..aafea1ef1ef0e 100644
--- a/src/test/run-pass/empty-mutable-vec.rs
+++ b/src/test/run-pass/empty-mutable-vec.rs
@@ -10,4 +10,6 @@
 
 #[allow(unused_mut)];
 
-pub fn main() { let mut _v: ~[int] = ~[]; }
+use std::vec_ng::Vec;
+
+pub fn main() { let mut _v: Vec<int> = Vec::new(); }
diff --git a/src/test/run-pass/expr-fn.rs b/src/test/run-pass/expr-fn.rs
index cba1bab300468..c8a207cd4bd2d 100644
--- a/src/test/run-pass/expr-fn.rs
+++ b/src/test/run-pass/expr-fn.rs
@@ -8,14 +8,17 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 fn test_int() {
     fn f() -> int { 10 }
     assert_eq!(f(), 10);
 }
 
 fn test_vec() {
-    fn f() -> ~[int] { ~[10, 11] }
-    assert_eq!(f()[1], 11);
+    fn f() -> Vec<int> { vec!(10, 11) }
+    let vect = f();
+    assert_eq!(*vect.get(1), 11);
 }
 
 fn test_generic() {
diff --git a/src/test/run-pass/expr-match-fail.rs b/src/test/run-pass/expr-match-fail.rs
index 3e1b96763e196..46ba63e452d5c 100644
--- a/src/test/run-pass/expr-match-fail.rs
+++ b/src/test/run-pass/expr-match-fail.rs
@@ -8,14 +8,16 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 fn test_simple() {
     let r = match true { true => { true } false => { fail!() } };
     assert_eq!(r, true);
 }
 
 fn test_box() {
-    let r = match true { true => { ~[10] } false => { fail!() } };
-    assert_eq!(r[0], 10);
+    let r = match true { true => { vec!(10) } false => { fail!() } };
+    assert_eq!(*r.get(0), 10);
 }
 
 pub fn main() { test_simple(); test_box(); }
diff --git a/src/test/run-pass/expr-repeat-vstore.rs b/src/test/run-pass/expr-repeat-vstore.rs
deleted file mode 100644
index c34c902b8147b..0000000000000
--- a/src/test/run-pass/expr-repeat-vstore.rs
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-#[feature(managed_boxes)];
-
-pub fn main() {
-    let v: ~[int] = ~[ 1, ..5 ];
-    println!("{}", v[0]);
-    println!("{}", v[1]);
-    println!("{}", v[2]);
-    println!("{}", v[3]);
-    println!("{}", v[4]);
-}
diff --git a/src/test/run-pass/for-destruct.rs b/src/test/run-pass/for-destruct.rs
index fae67e9e3d995..7cc8b22e061e4 100644
--- a/src/test/run-pass/for-destruct.rs
+++ b/src/test/run-pass/for-destruct.rs
@@ -11,7 +11,7 @@
 struct Pair { x: int, y: int }
 
 pub fn main() {
-    for elt in (~[Pair {x: 10, y: 20}, Pair {x: 30, y: 0}]).iter() {
+    for elt in (vec!(Pair {x: 10, y: 20}, Pair {x: 30, y: 0})).iter() {
         assert_eq!(elt.x + elt.y, 30);
     }
 }
diff --git a/src/test/run-pass/for-loop-fail.rs b/src/test/run-pass/for-loop-fail.rs
index ff718500340c8..bc9f1f642d283 100644
--- a/src/test/run-pass/for-loop-fail.rs
+++ b/src/test/run-pass/for-loop-fail.rs
@@ -8,4 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-pub fn main() { let x: ~[int] = ~[]; for _ in x.iter() { fail!("moop"); } }
+use std::vec_ng::Vec;
+
+pub fn main() { let x: Vec<int> = Vec::new(); for _ in x.iter() { fail!("moop"); } }
diff --git a/src/test/run-pass/foreach-nested.rs b/src/test/run-pass/foreach-nested.rs
index 9646c6b6eb79d..9aed300c5648c 100644
--- a/src/test/run-pass/foreach-nested.rs
+++ b/src/test/run-pass/foreach-nested.rs
@@ -8,19 +8,18 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
-
+use std::vec_ng::Vec;
 
 fn two(it: |int|) { it(0); it(1); }
 
 pub fn main() {
-    let mut a: ~[int] = ~[-1, -1, -1, -1];
+    let mut a: Vec<int> = vec!(-1, -1, -1, -1);
     let mut p: int = 0;
     two(|i| {
-        two(|j| { a[p] = 10 * i + j; p += 1; })
+        two(|j| { *a.get_mut(p as uint) = 10 * i + j; p += 1; })
     });
-    assert_eq!(a[0], 0);
-    assert_eq!(a[1], 1);
-    assert_eq!(a[2], 10);
-    assert_eq!(a[3], 11);
+    assert_eq!(*a.get(0), 0);
+    assert_eq!(*a.get(1), 1);
+    assert_eq!(*a.get(2), 10);
+    assert_eq!(*a.get(3), 11);
 }
diff --git a/src/test/run-pass/generic-ivec-leak.rs b/src/test/run-pass/generic-ivec-leak.rs
index 17de964dd868e..f879e195292c8 100644
--- a/src/test/run-pass/generic-ivec-leak.rs
+++ b/src/test/run-pass/generic-ivec-leak.rs
@@ -10,4 +10,4 @@
 
 enum wrapper<T> { wrapped(T), }
 
-pub fn main() { let _w = wrapped(~[1, 2, 3, 4, 5]); }
+pub fn main() { let _w = wrapped(vec!(1, 2, 3, 4, 5)); }
diff --git a/src/test/run-pass/generic-ivec.rs b/src/test/run-pass/generic-ivec.rs
index e4f545afda638..c2eae06401992 100644
--- a/src/test/run-pass/generic-ivec.rs
+++ b/src/test/run-pass/generic-ivec.rs
@@ -11,4 +11,4 @@
 #[feature(managed_boxes)];
 
 fn f<T>(_v: @T) { }
-pub fn main() { f(@~[1, 2, 3, 4, 5]); }
+pub fn main() { f(@vec!(1, 2, 3, 4, 5)); }
diff --git a/src/test/run-pass/generic-static-methods.rs b/src/test/run-pass/generic-static-methods.rs
index 5832c565d7f4c..f0dcc5e2809b0 100644
--- a/src/test/run-pass/generic-static-methods.rs
+++ b/src/test/run-pass/generic-static-methods.rs
@@ -8,13 +8,15 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 trait vec_utils<T> {
-    fn map_<U>(x: &Self, f: |&T| -> U) -> ~[U];
+    fn map_<U>(x: &Self, f: |&T| -> U) -> Vec<U> ;
 }
 
-impl<T> vec_utils<T> for ~[T] {
-    fn map_<U>(x: &~[T], f: |&T| -> U) -> ~[U] {
-        let mut r = ~[];
+impl<T> vec_utils<T> for Vec<T> {
+    fn map_<U>(x: &Vec<T> , f: |&T| -> U) -> Vec<U> {
+        let mut r = Vec::new();
         for elt in x.iter() {
             r.push(f(elt));
         }
@@ -23,5 +25,5 @@ impl<T> vec_utils<T> for ~[T] {
 }
 
 pub fn main() {
-    assert_eq!(vec_utils::map_(&~[1,2,3], |&x| x+1), ~[2,3,4]);
+    assert_eq!(vec_utils::map_(&vec!(1,2,3), |&x| x+1), vec!(2,3,4));
 }
diff --git a/src/test/run-pass/getopts_ref.rs b/src/test/run-pass/getopts_ref.rs
index 55ecf919b7240..314d045145bb9 100644
--- a/src/test/run-pass/getopts_ref.rs
+++ b/src/test/run-pass/getopts_ref.rs
@@ -13,12 +13,13 @@
 extern crate getopts;
 
 use getopts::{optopt, getopts};
+use std::vec_ng::Vec;
 
 pub fn main() {
-    let args = ~[];
-    let opts = ~[optopt("b", "", "something", "SMTHNG")];
+    let args = Vec::new();
+    let opts = vec!(optopt("b", "", "something", "SMTHNG"));
 
-    match getopts(args, opts) {
+    match getopts(args.as_slice(), opts.as_slice()) {
         Ok(ref m)  =>
             assert!(!m.opt_present("b")),
         Err(ref f) => fail!("{:?}", (*f).clone().to_err_msg())
diff --git a/src/test/run-pass/glob-std.rs b/src/test/run-pass/glob-std.rs
index 39261094911c1..f40e92341fe2c 100644
--- a/src/test/run-pass/glob-std.rs
+++ b/src/test/run-pass/glob-std.rs
@@ -21,6 +21,7 @@ use extra::tempfile::TempDir;
 use std::unstable::finally::Finally;
 use std::{os, unstable};
 use std::io;
+use std::vec_ng::Vec;
 
 macro_rules! assert_eq ( ($e1:expr, $e2:expr) => (
     if $e1 != $e2 {
@@ -41,7 +42,7 @@ pub fn main() {
         os::getcwd().join(&Path::new(path))
     }
 
-    fn glob_vec(pattern: &str) -> ~[Path] {
+    fn glob_vec(pattern: &str) -> Vec<Path> {
         glob(pattern).collect()
     }
 
@@ -73,133 +74,133 @@ pub fn main() {
     mk_file("xyz/y", false);
     mk_file("xyz/z", false);
 
-    assert_eq!(glob_vec(""), ~[]);
-    assert_eq!(glob_vec("."), ~[]);
-    assert_eq!(glob_vec(".."), ~[]);
+    assert_eq!(glob_vec(""), Vec::new());
+    assert_eq!(glob_vec("."), Vec::new());
+    assert_eq!(glob_vec(".."), Vec::new());
 
-    assert_eq!(glob_vec("aaa"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("aaa/"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("a"), ~[]);
-    assert_eq!(glob_vec("aa"), ~[]);
-    assert_eq!(glob_vec("aaaa"), ~[]);
+    assert_eq!(glob_vec("aaa"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("aaa/"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("a"), Vec::new());
+    assert_eq!(glob_vec("aa"), Vec::new());
+    assert_eq!(glob_vec("aaaa"), Vec::new());
 
-    assert_eq!(glob_vec("aaa/apple"), ~[abs_path("aaa/apple")]);
-    assert_eq!(glob_vec("aaa/apple/nope"), ~[]);
+    assert_eq!(glob_vec("aaa/apple"), vec!(abs_path("aaa/apple")));
+    assert_eq!(glob_vec("aaa/apple/nope"), Vec::new());
 
     // windows should support both / and \ as directory separators
     if os::consts::FAMILY == os::consts::windows::FAMILY {
-        assert_eq!(glob_vec("aaa\\apple"), ~[abs_path("aaa/apple")]);
+        assert_eq!(glob_vec("aaa\\apple"), vec!(abs_path("aaa/apple")));
     }
 
-    assert_eq!(glob_vec("???/"), ~[
+    assert_eq!(glob_vec("???/"), vec!(
         abs_path("aaa"),
         abs_path("bbb"),
         abs_path("ccc"),
-        abs_path("xyz")]);
+        abs_path("xyz")));
 
-    assert_eq!(glob_vec("aaa/tomato/tom?to.txt"), ~[
+    assert_eq!(glob_vec("aaa/tomato/tom?to.txt"), vec!(
         abs_path("aaa/tomato/tomato.txt"),
-        abs_path("aaa/tomato/tomoto.txt")]);
+        abs_path("aaa/tomato/tomoto.txt")));
 
-    assert_eq!(glob_vec("xyz/?"), ~[
+    assert_eq!(glob_vec("xyz/?"), vec!(
         abs_path("xyz/x"),
         abs_path("xyz/y"),
-        abs_path("xyz/z")]);
-
-    assert_eq!(glob_vec("a*"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("*a*"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("a*a"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("aaa*"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("*aaa"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("*aaa*"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("*a*a*a*"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("aaa*/"), ~[abs_path("aaa")]);
-
-    assert_eq!(glob_vec("aaa/*"), ~[
+        abs_path("xyz/z")));
+
+    assert_eq!(glob_vec("a*"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("*a*"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("a*a"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("aaa*"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("*aaa"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("*aaa*"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("*a*a*a*"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("aaa*/"), vec!(abs_path("aaa")));
+
+    assert_eq!(glob_vec("aaa/*"), vec!(
         abs_path("aaa/apple"),
         abs_path("aaa/orange"),
-        abs_path("aaa/tomato")]);
+        abs_path("aaa/tomato")));
 
-    assert_eq!(glob_vec("aaa/*a*"), ~[
+    assert_eq!(glob_vec("aaa/*a*"), vec!(
         abs_path("aaa/apple"),
         abs_path("aaa/orange"),
-        abs_path("aaa/tomato")]);
+        abs_path("aaa/tomato")));
 
-    assert_eq!(glob_vec("*/*/*.txt"), ~[
+    assert_eq!(glob_vec("*/*/*.txt"), vec!(
         abs_path("aaa/tomato/tomato.txt"),
-        abs_path("aaa/tomato/tomoto.txt")]);
+        abs_path("aaa/tomato/tomoto.txt")));
 
-    assert_eq!(glob_vec("*/*/t[aob]m?to[.]t[!y]t"), ~[
+    assert_eq!(glob_vec("*/*/t[aob]m?to[.]t[!y]t"), vec!(
         abs_path("aaa/tomato/tomato.txt"),
-        abs_path("aaa/tomato/tomoto.txt")]);
+        abs_path("aaa/tomato/tomoto.txt")));
 
-    assert_eq!(glob_vec("aa[a]"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("aa[abc]"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("a[bca]a"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("aa[b]"), ~[]);
-    assert_eq!(glob_vec("aa[xyz]"), ~[]);
-    assert_eq!(glob_vec("aa[]]"), ~[]);
+    assert_eq!(glob_vec("aa[a]"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("aa[abc]"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("a[bca]a"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("aa[b]"), Vec::new());
+    assert_eq!(glob_vec("aa[xyz]"), Vec::new());
+    assert_eq!(glob_vec("aa[]]"), Vec::new());
 
-    assert_eq!(glob_vec("aa[!b]"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("aa[!bcd]"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("a[!bcd]a"), ~[abs_path("aaa")]);
-    assert_eq!(glob_vec("aa[!a]"), ~[]);
-    assert_eq!(glob_vec("aa[!abc]"), ~[]);
+    assert_eq!(glob_vec("aa[!b]"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("aa[!bcd]"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("a[!bcd]a"), vec!(abs_path("aaa")));
+    assert_eq!(glob_vec("aa[!a]"), Vec::new());
+    assert_eq!(glob_vec("aa[!abc]"), Vec::new());
 
-    assert_eq!(glob_vec("bbb/specials/[[]"), ~[abs_path("bbb/specials/[")]);
-    assert_eq!(glob_vec("bbb/specials/!"), ~[abs_path("bbb/specials/!")]);
-    assert_eq!(glob_vec("bbb/specials/[]]"), ~[abs_path("bbb/specials/]")]);
+    assert_eq!(glob_vec("bbb/specials/[[]"), vec!(abs_path("bbb/specials/[")));
+    assert_eq!(glob_vec("bbb/specials/!"), vec!(abs_path("bbb/specials/!")));
+    assert_eq!(glob_vec("bbb/specials/[]]"), vec!(abs_path("bbb/specials/]")));
 
     if os::consts::FAMILY != os::consts::windows::FAMILY {
-        assert_eq!(glob_vec("bbb/specials/[*]"), ~[abs_path("bbb/specials/*")]);
-        assert_eq!(glob_vec("bbb/specials/[?]"), ~[abs_path("bbb/specials/?")]);
+        assert_eq!(glob_vec("bbb/specials/[*]"), vec!(abs_path("bbb/specials/*")));
+        assert_eq!(glob_vec("bbb/specials/[?]"), vec!(abs_path("bbb/specials/?")));
     }
 
     if os::consts::FAMILY == os::consts::windows::FAMILY {
 
-        assert_eq!(glob_vec("bbb/specials/[![]"), ~[
+        assert_eq!(glob_vec("bbb/specials/[![]"), vec!(
             abs_path("bbb/specials/!"),
-            abs_path("bbb/specials/]")]);
+            abs_path("bbb/specials/]")));
 
-        assert_eq!(glob_vec("bbb/specials/[!]]"), ~[
+        assert_eq!(glob_vec("bbb/specials/[!]]"), vec!(
             abs_path("bbb/specials/!"),
-            abs_path("bbb/specials/[")]);
+            abs_path("bbb/specials/[")));
 
-        assert_eq!(glob_vec("bbb/specials/[!!]"), ~[
+        assert_eq!(glob_vec("bbb/specials/[!!]"), vec!(
             abs_path("bbb/specials/["),
-            abs_path("bbb/specials/]")]);
+            abs_path("bbb/specials/]")));
 
     } else {
 
-        assert_eq!(glob_vec("bbb/specials/[![]"), ~[
+        assert_eq!(glob_vec("bbb/specials/[![]"), vec!(
             abs_path("bbb/specials/!"),
             abs_path("bbb/specials/*"),
             abs_path("bbb/specials/?"),
-            abs_path("bbb/specials/]")]);
+            abs_path("bbb/specials/]")));
 
-        assert_eq!(glob_vec("bbb/specials/[!]]"), ~[
+        assert_eq!(glob_vec("bbb/specials/[!]]"), vec!(
             abs_path("bbb/specials/!"),
             abs_path("bbb/specials/*"),
             abs_path("bbb/specials/?"),
-            abs_path("bbb/specials/[")]);
+            abs_path("bbb/specials/[")));
 
-        assert_eq!(glob_vec("bbb/specials/[!!]"), ~[
+        assert_eq!(glob_vec("bbb/specials/[!!]"), vec!(
             abs_path("bbb/specials/*"),
             abs_path("bbb/specials/?"),
             abs_path("bbb/specials/["),
-            abs_path("bbb/specials/]")]);
+            abs_path("bbb/specials/]")));
 
-        assert_eq!(glob_vec("bbb/specials/[!*]"), ~[
+        assert_eq!(glob_vec("bbb/specials/[!*]"), vec!(
             abs_path("bbb/specials/!"),
             abs_path("bbb/specials/?"),
             abs_path("bbb/specials/["),
-            abs_path("bbb/specials/]")]);
+            abs_path("bbb/specials/]")));
 
-        assert_eq!(glob_vec("bbb/specials/[!?]"), ~[
+        assert_eq!(glob_vec("bbb/specials/[!?]"), vec!(
             abs_path("bbb/specials/!"),
             abs_path("bbb/specials/*"),
             abs_path("bbb/specials/["),
-            abs_path("bbb/specials/]")]);
+            abs_path("bbb/specials/]")));
 
     }
 }
diff --git a/src/test/run-pass/hashmap-memory.rs b/src/test/run-pass/hashmap-memory.rs
index 3f3687fd33375..c9319ed057eff 100644
--- a/src/test/run-pass/hashmap-memory.rs
+++ b/src/test/run-pass/hashmap-memory.rs
@@ -14,6 +14,8 @@
 
 extern crate collections;
 
+use std::vec_ng::Vec;
+
 /**
    A somewhat reduced test case to expose some Valgrind issues.
 
@@ -26,14 +28,15 @@ mod map_reduce {
     use collections::HashMap;
     use std::str;
     use std::task;
+    use std::vec_ng::Vec;
 
     pub type putter<'a> = 'a |~str, ~str|;
 
     pub type mapper = extern fn(~str, putter);
 
-    enum ctrl_proto { find_reducer(~[u8], Chan<int>), mapper_done, }
+    enum ctrl_proto { find_reducer(Vec<u8> , Chan<int>), mapper_done, }
 
-    fn start_mappers(ctrl: Chan<ctrl_proto>, inputs: ~[~str]) {
+    fn start_mappers(ctrl: Chan<ctrl_proto>, inputs: Vec<~str> ) {
         for i in inputs.iter() {
             let ctrl = ctrl.clone();
             let i = i.clone();
@@ -52,7 +55,7 @@ mod map_reduce {
             }
             let (pp, cc) = Chan::new();
             error!("sending find_reducer");
-            ctrl.send(find_reducer(key.as_bytes().to_owned(), cc));
+            ctrl.send(find_reducer(Vec::from_slice(key.as_bytes()), cc));
             error!("receiving");
             let c = pp.recv();
             error!("{:?}", c);
@@ -64,7 +67,7 @@ mod map_reduce {
         ctrl_clone.send(mapper_done);
     }
 
-    pub fn map_reduce(inputs: ~[~str]) {
+    pub fn map_reduce(inputs: Vec<~str> ) {
         let (ctrl_port, ctrl_chan) = Chan::new();
 
         // This task becomes the master control task. It spawns others
@@ -83,7 +86,8 @@ mod map_reduce {
               mapper_done => { num_mappers -= 1; }
               find_reducer(k, cc) => {
                 let mut c;
-                match reducers.find(&str::from_utf8(k).unwrap().to_owned()) {
+                match reducers.find(&str::from_utf8(k.as_slice()).unwrap()
+                                                                 .to_owned()) {
                   Some(&_c) => { c = _c; }
                   None => { c = 0; }
                 }
@@ -95,5 +99,5 @@ mod map_reduce {
 }
 
 pub fn main() {
-    map_reduce::map_reduce(~[~"../src/test/run-pass/hashmap-memory.rs"]);
+    map_reduce::map_reduce(vec!(~"../src/test/run-pass/hashmap-memory.rs"));
 }
diff --git a/src/test/run-pass/html-literals.rs b/src/test/run-pass/html-literals.rs
index 97040716a11ee..aadb372fa12a8 100644
--- a/src/test/run-pass/html-literals.rs
+++ b/src/test/run-pass/html-literals.rs
@@ -12,6 +12,8 @@
 
 #[feature(macro_rules)];
 
+use std::vec_ng::Vec;
+
 /*
 
 This is an HTML parser written as a macro. It's all CPS, and we have
@@ -41,7 +43,7 @@ macro_rules! parse_node (
         parse_node!(
             [$(: $tags ($(:$tag_nodes),*))*];
             [$(:$head_nodes,)* :tag(stringify!($head).to_owned(),
-                                    ~[$($nodes),*])];
+                                    vec!($($nodes),*))];
             $($rest)*
         )
     );
@@ -97,6 +99,6 @@ pub fn main() {
 }
 
 enum HTMLFragment {
-    tag(~str, ~[HTMLFragment]),
+    tag(~str, Vec<HTMLFragment> ),
     text(~str),
 }
diff --git a/src/test/run-pass/ifmt.rs b/src/test/run-pass/ifmt.rs
index 564f7b4342639..101878c305e5c 100644
--- a/src/test/run-pass/ifmt.rs
+++ b/src/test/run-pass/ifmt.rs
@@ -181,7 +181,7 @@ fn test_write() {
 // can do with them just yet (to test the output)
 fn test_print() {
     print!("hi");
-    print!("{:?}", ~[0u8]);
+    print!("{:?}", vec!(0u8));
     println!("hello");
     println!("this is a {}", "test");
     println!("{foo}", foo="bar");
diff --git a/src/test/run-pass/import-glob-crate.rs b/src/test/run-pass/import-glob-crate.rs
index f2117efb0bbe6..e737d6a7c50a7 100644
--- a/src/test/run-pass/import-glob-crate.rs
+++ b/src/test/run-pass/import-glob-crate.rs
@@ -14,10 +14,12 @@
 #[allow(dead_assignment)];
 
 extern crate extra;
-use std::vec::*;
+
+use std::vec_ng::Vec;
+use std::vec_ng;
 
 pub fn main() {
-    let mut v = from_elem(0u, 0);
-    v = append(v, [4, 2]);
-    assert_eq!(from_fn(2, |i| 2*(i+1)), ~[2, 4]);
+    let mut v = Vec::from_elem(0u, 0);
+    v = vec_ng::append(v, [4, 2]);
+    assert_eq!(Vec::from_fn(2, |i| 2*(i+1)), vec!(2, 4));
 }
diff --git a/src/test/run-pass/infer-fn-tail-expr.rs b/src/test/run-pass/infer-fn-tail-expr.rs
index eb8601361cdaa..a3d1be5b4f12f 100644
--- a/src/test/run-pass/infer-fn-tail-expr.rs
+++ b/src/test/run-pass/infer-fn-tail-expr.rs
@@ -10,6 +10,8 @@
 
 // issue #680
 
-fn f() -> ~[int] { ~[] }
+use std::vec_ng::Vec;
+
+fn f() -> Vec<int> { Vec::new() }
 
 pub fn main() { }
diff --git a/src/test/run-pass/integral-indexing.rs b/src/test/run-pass/integral-indexing.rs
index edc71b524e337..06b3dcdf11baa 100644
--- a/src/test/run-pass/integral-indexing.rs
+++ b/src/test/run-pass/integral-indexing.rs
@@ -8,19 +8,18 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
-
+use std::vec_ng::Vec;
 
 // This is a testcase for issue #94.
 pub fn main() {
-    let v: ~[int] = ~[0, 1, 2, 3, 4, 5];
+    let v: Vec<int> = vec!(0, 1, 2, 3, 4, 5);
     let s: ~str = ~"abcdef";
-    assert_eq!(v[3u], 3);
-    assert_eq!(v[3u8], 3);
-    assert_eq!(v[3i8], 3);
-    assert_eq!(v[3u32], 3);
-    assert_eq!(v[3i32], 3);
-    info!("{}", v[3u8]);
+    assert_eq!(v.as_slice()[3u], 3);
+    assert_eq!(v.as_slice()[3u8], 3);
+    assert_eq!(v.as_slice()[3i8], 3);
+    assert_eq!(v.as_slice()[3u32], 3);
+    assert_eq!(v.as_slice()[3i32], 3);
+    info!("{}", v.as_slice()[3u8]);
     assert_eq!(s[3u], 'd' as u8);
     assert_eq!(s[3u8], 'd' as u8);
     assert_eq!(s[3i8], 'd' as u8);
diff --git a/src/test/run-pass/issue-1821.rs b/src/test/run-pass/issue-1821.rs
index 92f0beaeb9c27..ef66a1e3a67e3 100644
--- a/src/test/run-pass/issue-1821.rs
+++ b/src/test/run-pass/issue-1821.rs
@@ -9,7 +9,10 @@
 // except according to those terms.
 
 // Issue #1821 - Don't recurse trying to typecheck this
+
+use std::vec_ng::Vec;
+
 enum t {
-    foo(~[t])
+    foo(Vec<t>)
 }
 pub fn main() {}
diff --git a/src/test/run-pass/issue-2502.rs b/src/test/run-pass/issue-2502.rs
index 2ee5b2e60de3e..33cac672b3933 100644
--- a/src/test/run-pass/issue-2502.rs
+++ b/src/test/run-pass/issue-2502.rs
@@ -8,17 +8,19 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 struct font<'a> {
-    fontbuf: &'a ~[u8],
+    fontbuf: &'a Vec<u8> ,
 }
 
 impl<'a> font<'a> {
-    pub fn buf(&self) -> &'a ~[u8] {
+    pub fn buf(&self) -> &'a Vec<u8> {
         self.fontbuf
     }
 }
 
-fn font<'r>(fontbuf: &'r ~[u8]) -> font<'r> {
+fn font<'r>(fontbuf: &'r Vec<u8> ) -> font<'r> {
     font {
         fontbuf: fontbuf
     }
diff --git a/src/test/run-pass/issue-2631-b.rs b/src/test/run-pass/issue-2631-b.rs
index 592232ca21d97..1ea268eafca84 100644
--- a/src/test/run-pass/issue-2631-b.rs
+++ b/src/test/run-pass/issue-2631-b.rs
@@ -21,7 +21,7 @@ use std::cell::RefCell;
 use collections::HashMap;
 
 pub fn main() {
-  let v = ~[@~"hi"];
+  let v = vec!(@~"hi");
   let mut m: req::header_map = HashMap::new();
   m.insert(~"METHOD", @RefCell::new(v));
   request::<int>(&m);
diff --git a/src/test/run-pass/issue-2723-b.rs b/src/test/run-pass/issue-2723-b.rs
index ef20c481eb9c3..4bf5a562cf05b 100644
--- a/src/test/run-pass/issue-2723-b.rs
+++ b/src/test/run-pass/issue-2723-b.rs
@@ -16,6 +16,6 @@ use issue_2723_a::f;
 
 pub fn main() {
     unsafe {
-        f(~[2]);
+        f(vec!(2));
     }
 }
diff --git a/src/test/run-pass/issue-2804.rs b/src/test/run-pass/issue-2804.rs
index 8370e0f7f9c86..bad1c087ced0d 100644
--- a/src/test/run-pass/issue-2804.rs
+++ b/src/test/run-pass/issue-2804.rs
@@ -16,6 +16,7 @@ extern crate serialize;
 use collections::HashMap;
 use serialize::json;
 use std::option;
+use std::vec_ng::Vec;
 
 enum object {
     bool_value(bool),
@@ -55,21 +56,20 @@ fn add_interface(_store: int, managed_ip: ~str, data: json::Json) -> (~str, obje
 }
 
 fn add_interfaces(store: int, managed_ip: ~str, device: HashMap<~str, json::Json>)
--> ~[(~str, object)]
-{
+-> Vec<(~str, object)> {
     match device.get(&~"interfaces")
     {
         &json::List(ref interfaces) =>
         {
-          interfaces.map(|interface| {
+          interfaces.iter().map(|interface| {
                 add_interface(store, managed_ip.clone(), (*interface).clone())
-          })
+          }).collect()
         }
         _ =>
         {
             error!("Expected list for {} interfaces but found {:?}", managed_ip,
                    device.get(&~"interfaces"));
-            ~[]
+            Vec::new()
         }
     }
 }
diff --git a/src/test/run-pass/issue-2904.rs b/src/test/run-pass/issue-2904.rs
index 45f59fe9cd43d..ba23535fba1ea 100644
--- a/src/test/run-pass/issue-2904.rs
+++ b/src/test/run-pass/issue-2904.rs
@@ -18,6 +18,7 @@ extern crate extra;
 
 use std::io;
 use std::fmt;
+use std::vec_ng::Vec;
 
 enum square {
     bot,
@@ -62,17 +63,18 @@ fn square_from_char(c: char) -> square {
     }
 }
 
-fn read_board_grid<rdr:'static + io::Reader>(mut input: rdr) -> ~[~[square]] {
+fn read_board_grid<rdr:'static + io::Reader>(mut input: rdr)
+                   -> Vec<Vec<square>> {
     let mut input: &mut io::Reader = &mut input;
-    let mut grid = ~[];
+    let mut grid = Vec::new();
     let mut line = [0, ..10];
     input.read(line);
-    let mut row = ~[];
+    let mut row = Vec::new();
     for c in line.iter() {
         row.push(square_from_char(*c as char))
     }
     grid.push(row);
-    let width = grid[0].len();
+    let width = grid.get(0).len();
     for row in grid.iter() { assert!(row.len() == width) }
     grid
 }
diff --git a/src/test/run-pass/issue-2989.rs b/src/test/run-pass/issue-2989.rs
index 94e7297f17993..23c242e6b4450 100644
--- a/src/test/run-pass/issue-2989.rs
+++ b/src/test/run-pass/issue-2989.rs
@@ -10,37 +10,37 @@
 
 extern crate extra;
 
-use std::vec;
+use std::vec_ng::Vec;
 
 trait methods {
-    fn to_bytes(&self) -> ~[u8];
+    fn to_bytes(&self) -> Vec<u8> ;
 }
 
 impl methods for () {
-    fn to_bytes(&self) -> ~[u8] {
-        vec::from_elem(0, 0u8)
+    fn to_bytes(&self) -> Vec<u8> {
+        Vec::from_elem(0, 0u8)
     }
 }
 
 // the position of this function is significant! - if it comes before methods
 // then it works, if it comes after it then it doesn't!
-fn to_bools(bitv: Storage) -> ~[bool] {
-    vec::from_fn(8, |i| {
+fn to_bools(bitv: Storage) -> Vec<bool> {
+    Vec::from_fn(8, |i| {
         let w = i / 64;
         let b = i % 64;
-        let x = 1u64 & (bitv.storage[w] >> b);
+        let x = 1u64 & (*bitv.storage.get(w) >> b);
         x == 1u64
     })
 }
 
-struct Storage { storage: ~[u64] }
+struct Storage { storage: Vec<u64> }
 
 pub fn main() {
-    let bools = ~[false, false, true, false, false, true, true, false];
-    let bools2 = to_bools(Storage{storage: ~[0b01100100]});
+    let bools = vec!(false, false, true, false, false, true, true, false);
+    let bools2 = to_bools(Storage{storage: vec!(0b01100100)});
 
     for i in range(0u, 8) {
-        println!("{} => {} vs {}", i, bools[i], bools2[i]);
+        println!("{} => {} vs {}", i, *bools.get(i), *bools2.get(i));
     }
 
     assert_eq!(bools, bools2);
diff --git a/src/test/run-pass/issue-3052.rs b/src/test/run-pass/issue-3052.rs
index 8179d85e601f3..d2acf66003d7d 100644
--- a/src/test/run-pass/issue-3052.rs
+++ b/src/test/run-pass/issue-3052.rs
@@ -8,7 +8,9 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-type Connection = 'static |~[u8]|;
+use std::vec_ng::Vec;
+
+type Connection = 'static |Vec<u8> |;
 
 fn f() -> Option<Connection> {
     let mock_connection: Connection = |_| {};
diff --git a/src/test/run-pass/issue-3389.rs b/src/test/run-pass/issue-3389.rs
index 45c0ea4d543ca..fb4d7cedd4b0b 100644
--- a/src/test/run-pass/issue-3389.rs
+++ b/src/test/run-pass/issue-3389.rs
@@ -8,12 +8,14 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 struct trie_node {
-    content: ~[~str],
-    children: ~[trie_node],
+    content: Vec<~str> ,
+    children: Vec<trie_node> ,
 }
 
-fn print_str_vector(vector: ~[~str]) {
+fn print_str_vector(vector: Vec<~str> ) {
     for string in vector.iter() {
         println!("{}", *string);
     }
@@ -21,11 +23,11 @@ fn print_str_vector(vector: ~[~str]) {
 
 pub fn main() {
     let mut node: trie_node = trie_node {
-        content: ~[],
-        children: ~[]
+        content: Vec::new(),
+        children: Vec::new()
     };
-    let v = ~[~"123", ~"abc"];
-    node.content = ~[~"123", ~"abc"];
+    let v = vec!(~"123", ~"abc");
+    node.content = vec!(~"123", ~"abc");
     print_str_vector(v);
     print_str_vector(node.content.clone());
 
diff --git a/src/test/run-pass/issue-3556.rs b/src/test/run-pass/issue-3556.rs
index e7089a6a21e5f..31fe258f420c4 100644
--- a/src/test/run-pass/issue-3556.rs
+++ b/src/test/run-pass/issue-3556.rs
@@ -12,12 +12,14 @@
 
 extern crate extra;
 
+use std::vec_ng::Vec;
+
 enum Token {
     Text(@~str),
-    ETag(@~[~str], @~str),
-    UTag(@~[~str], @~str),
-    Section(@~[~str], bool, @~[Token], @~str, @~str, @~str, @~str, @~str),
-    IncompleteSection(@~[~str], bool, @~str, bool),
+    ETag(@Vec<~str> , @~str),
+    UTag(@Vec<~str> , @~str),
+    Section(@Vec<~str> , bool, @Vec<Token> , @~str, @~str, @~str, @~str, @~str),
+    IncompleteSection(@Vec<~str> , bool, @~str, bool),
     Partial(@~str, @~str, @~str),
 }
 
@@ -37,7 +39,7 @@ pub fn main()
 // assert!(check_strs(fmt!("%?", ETag(@~[~"foo"], @~"bar")), "ETag(@~[ ~\"foo\" ], @~\"bar\")"));
 
     let t = Text(@~"foo");
-    let u = Section(@~[~"alpha"], true, @~[t], @~"foo", @~"foo", @~"foo", @~"foo", @~"foo");
+    let u = Section(@vec!(~"alpha"), true, @vec!(t), @~"foo", @~"foo", @~"foo", @~"foo", @~"foo");
     let v = format!("{:?}", u);    // this is the line that causes the seg fault
     assert!(v.len() > 0);
 }
diff --git a/src/test/run-pass/issue-3563-3.rs b/src/test/run-pass/issue-3563-3.rs
index ae65c46ce71af..b50952552058e 100644
--- a/src/test/run-pass/issue-3563-3.rs
+++ b/src/test/run-pass/issue-3563-3.rs
@@ -20,9 +20,11 @@ extern crate extra;
 
 // Extern mod controls linkage. Use controls the visibility of names to modules that are
 // already linked in. Using WriterUtil allows us to use the write_line method.
+
 use std::str;
 use std::vec;
 use std::fmt;
+use std::vec_ng::Vec;
 
 // Represents a position on a canvas.
 struct Point {
@@ -47,7 +49,7 @@ struct AsciiArt {
     width: uint,
     height: uint,
     fill: char,
-    lines: ~[~[char]],
+    lines: Vec<Vec<char> > ,
 
     // This struct can be quite large so we'll disable copying: developers need
     // to either pass these structs around via references or move them.
@@ -63,9 +65,10 @@ impl Drop for AsciiArt {
 fn AsciiArt(width: uint, height: uint, fill: char) -> AsciiArt {
     // Use an anonymous function to build a vector of vectors containing
     // blank characters for each position in our canvas.
-    let lines = vec::build(Some(height), |push| {
-        for _ in range(0, height) { push(vec::from_elem(width, '.')); }
-    });
+    let mut lines = Vec::new();
+    for _ in range(0, height) {
+        lines.push(Vec::from_elem(width, '.'));
+    }
 
     // Rust code often returns values by omitting the trailing semi-colon
     // instead of using an explicit return statement.
@@ -86,8 +89,8 @@ impl AsciiArt {
                 // element is:
                 // 1) potentially large
                 // 2) needs to be modified
-                let row = &mut self.lines[v];
-                row[h] = self.fill;
+                let row = self.lines.get_mut(v);
+                *row.get_mut(h) = self.fill;
             }
         }
     }
@@ -98,7 +101,7 @@ impl AsciiArt {
 impl fmt::Show for AsciiArt {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         // Convert each line into a string.
-        let lines = self.lines.map(|line| str::from_chars(*line));
+        let lines = self.lines.map(|line| str::from_chars(line.as_slice()));
 
         // Concatenate the lines together using a new-line.
         write!(f.buf, "{}", lines.connect("\n"))
diff --git a/src/test/run-pass/issue-3609.rs b/src/test/run-pass/issue-3609.rs
index fe9c5d5491fee..6d900c845f6ba 100644
--- a/src/test/run-pass/issue-3609.rs
+++ b/src/test/run-pass/issue-3609.rs
@@ -12,8 +12,9 @@ extern crate extra;
 
 use std::comm::Chan;
 use std::task;
+use std::vec_ng::Vec;
 
-type RingBuffer = ~[f64];
+type RingBuffer = Vec<f64> ;
 type SamplesFn = proc(samples: &RingBuffer);
 
 enum Msg
@@ -26,7 +27,7 @@ fn foo(name: ~str, samples_chan: Chan<Msg>) {
         let mut samples_chan = samples_chan;
         let callback: SamplesFn = proc(buffer) {
             for i in range(0u, buffer.len()) {
-                error!("{}: {}", i, buffer[i])
+                error!("{}: {}", i, *buffer.get(i))
             }
         };
         samples_chan.send(GetSamples(name.clone(), callback));
diff --git a/src/test/run-pass/issue-3991.rs b/src/test/run-pass/issue-3991.rs
index d5dd090009a1c..7fb6b4664794a 100644
--- a/src/test/run-pass/issue-3991.rs
+++ b/src/test/run-pass/issue-3991.rs
@@ -8,13 +8,15 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 struct HasNested {
-    nest: ~[~[int]],
+    nest: Vec<Vec<int> > ,
 }
 
 impl HasNested {
     fn method_push_local(&mut self) {
-        self.nest[0].push(0);
+        self.nest.get_mut(0).push(0);
     }
 }
 
diff --git a/src/test/run-pass/issue-4036.rs b/src/test/run-pass/issue-4036.rs
index 0298a2a324fec..13285179df8ca 100644
--- a/src/test/run-pass/issue-4036.rs
+++ b/src/test/run-pass/issue-4036.rs
@@ -14,10 +14,12 @@
 // byproducts in vtable records.
 
 extern crate serialize;
+
 use serialize::{json, Decodable};
+use std::vec_ng::Vec;
 
 pub fn main() {
     let json = json::from_str("[1]").unwrap();
     let mut decoder = json::Decoder::new(json);
-    let _x: ~[int] = Decodable::decode(&mut decoder);
+    let _x: Vec<int> = Decodable::decode(&mut decoder);
 }
diff --git a/src/test/run-pass/issue-5708.rs b/src/test/run-pass/issue-5708.rs
index 871ff89290960..56461b647d87a 100644
--- a/src/test/run-pass/issue-5708.rs
+++ b/src/test/run-pass/issue-5708.rs
@@ -18,6 +18,8 @@ This does not occur with concrete types, only with references
 to traits.
 */
 
+use std::vec_ng::Vec;
+
 // original
 trait Inner {
     fn print(&self);
@@ -50,7 +52,7 @@ pub fn main() {
 trait MyTrait<T> { }
 
 pub struct MyContainer<'a, T> {
-    foos: ~[&'a MyTrait<T>],
+    foos: Vec<&'a MyTrait<T>> ,
 }
 
 impl<'a, T> MyContainer<'a, T> {
diff --git a/src/test/run-pass/issue-6153.rs b/src/test/run-pass/issue-6153.rs
index 989a8e5f9c2c4..ce87b0adde5f4 100644
--- a/src/test/run-pass/issue-6153.rs
+++ b/src/test/run-pass/issue-6153.rs
@@ -8,8 +8,10 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-fn swap(f: |~[int]| -> ~[int]) -> ~[int] {
-    let x = ~[1, 2, 3];
+use std::vec_ng::Vec;
+
+fn swap(f: |Vec<int> | -> Vec<int> ) -> Vec<int> {
+    let x = vec!(1, 2, 3);
     f(x)
 }
 
diff --git a/src/test/run-pass/issue-8898.rs b/src/test/run-pass/issue-8898.rs
index ecb8e3ca0ed5d..66ddc1118d0dd 100644
--- a/src/test/run-pass/issue-8898.rs
+++ b/src/test/run-pass/issue-8898.rs
@@ -11,7 +11,6 @@
 #[feature(managed_boxes)];
 
 fn assert_repr_eq<T>(obj : T, expected : ~str) {
-
     assert_eq!(expected, format!("{:?}", obj));
 }
 
@@ -19,14 +18,12 @@ pub fn main() {
     let abc = [1, 2, 3];
     let tf = [true, false];
     let x  = [(), ()];
-    let y = ~[(), ()];
     let slice = x.slice(0,1);
     let z = @x;
 
     assert_repr_eq(abc, ~"[1, 2, 3]");
     assert_repr_eq(tf, ~"[true, false]");
     assert_repr_eq(x, ~"[(), ()]");
-    assert_repr_eq(y, ~"~[(), ()]");
     assert_repr_eq(slice, ~"&[()]");
     assert_repr_eq(&x, ~"&[(), ()]");
     assert_repr_eq(z, ~"@[(), ()]");
diff --git a/src/test/run-pass/issue-9382.rs b/src/test/run-pass/issue-9382.rs
index c5123f2311625..32ec1e674db7f 100644
--- a/src/test/run-pass/issue-9382.rs
+++ b/src/test/run-pass/issue-9382.rs
@@ -16,6 +16,8 @@
 // from a vector to a slice. The drop glue was being invoked on
 // the temporary slice with a wrong type, triggering an LLVM assert.
 
+use std::vec_ng::Vec;
+
 struct Thing1<'a> {
     baz: &'a [~int],
     bar: ~u64,
@@ -32,7 +34,7 @@ pub fn main() {
         bar: ~32,
     };
     Thing1 {
-        baz: ~[],
+        baz: Vec::new().as_slice(),
         bar: ~32,
     };
     let _t2_fixed = Thing2 {
@@ -40,7 +42,7 @@ pub fn main() {
         bar: 32,
     };
     Thing2 {
-        baz: ~[],
+        baz: Vec::new().as_slice(),
         bar: 32,
     };
 }
diff --git a/src/test/run-pass/ivec-add.rs b/src/test/run-pass/ivec-add.rs
deleted file mode 100644
index ecf530f07f309..0000000000000
--- a/src/test/run-pass/ivec-add.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-fn double<T:Clone>(a: T) -> ~[T] { return ~[a.clone()] + ~[a]; }
-
-fn double_int(a: int) -> ~[int] { return ~[a] + ~[a]; }
-
-pub fn main() {
-    let mut d = double(1);
-    assert_eq!(d[0], 1);
-    assert_eq!(d[1], 1);
-
-    d = double_int(1);
-    assert_eq!(d[0], 1);
-    assert_eq!(d[1], 1);
-}
diff --git a/src/test/run-pass/ivec-pass-by-value.rs b/src/test/run-pass/ivec-pass-by-value.rs
index 4a82e6844b979..9c8dd152e25b5 100644
--- a/src/test/run-pass/ivec-pass-by-value.rs
+++ b/src/test/run-pass/ivec-pass-by-value.rs
@@ -8,5 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-fn f(_a: ~[int]) { }
-pub fn main() { f(~[1, 2, 3, 4, 5]); }
+use std::vec_ng::Vec;
+
+fn f(_a: Vec<int> ) { }
+pub fn main() { f(vec!(1, 2, 3, 4, 5)); }
diff --git a/src/test/run-pass/ivec-tag.rs b/src/test/run-pass/ivec-tag.rs
index 302ea5a4b01ef..407e591895a47 100644
--- a/src/test/run-pass/ivec-tag.rs
+++ b/src/test/run-pass/ivec-tag.rs
@@ -9,18 +9,19 @@
 // except according to those terms.
 
 use std::task;
+use std::vec_ng::Vec;
 
-fn producer(c: &Chan<~[u8]>) {
+fn producer(c: &Chan<Vec<u8> >) {
     c.send(
-         ~[1u8, 2u8, 3u8, 4u8, 5u8, 6u8, 7u8, 8u8, 9u8, 10u8, 11u8, 12u8,
-          13u8]);
+         vec!(1u8, 2u8, 3u8, 4u8, 5u8, 6u8, 7u8, 8u8, 9u8, 10u8, 11u8, 12u8,
+          13u8));
 }
 
 pub fn main() {
-    let (p, ch) = Chan::<~[u8]>::new();
+    let (p, ch) = Chan::<Vec<u8> >::new();
     let _prod = task::spawn(proc() {
         producer(&ch)
     });
 
-    let _data: ~[u8] = p.recv();
+    let _data: Vec<u8> = p.recv();
 }
diff --git a/src/test/run-pass/lambda-infer-unresolved.rs b/src/test/run-pass/lambda-infer-unresolved.rs
index 59baf63d28400..866982dc9c479 100644
--- a/src/test/run-pass/lambda-infer-unresolved.rs
+++ b/src/test/run-pass/lambda-infer-unresolved.rs
@@ -11,11 +11,13 @@
 // This should typecheck even though the type of e is not fully
 // resolved when we finish typechecking the ||.
 
-struct Refs { refs: ~[int], n: int }
+use std::vec_ng::Vec;
+
+struct Refs { refs: Vec<int> , n: int }
 
 pub fn main() {
-    let mut e = Refs{refs: ~[], n: 0};
+    let mut e = Refs{refs: Vec::new(), n: 0};
     let _f: || = || error!("{}", e.n);
-    let x: &[int] = e.refs;
+    let x: &[int] = e.refs.as_slice();
     assert_eq!(x.len(), 0);
 }
diff --git a/src/test/run-pass/linear-for-loop.rs b/src/test/run-pass/linear-for-loop.rs
index 67bbd0967206b..5905e3a996c12 100644
--- a/src/test/run-pass/linear-for-loop.rs
+++ b/src/test/run-pass/linear-for-loop.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 
 pub fn main() {
-    let x = ~[1, 2, 3];
+    let x = vec!(1, 2, 3);
     let mut y = 0;
     for i in x.iter() { info!("{:?}", *i); y += *i; }
     info!("{:?}", y);
diff --git a/src/test/run-pass/liveness-move-in-loop.rs b/src/test/run-pass/liveness-move-in-loop.rs
index d910ac9a4e77a..22a0c9005bafc 100644
--- a/src/test/run-pass/liveness-move-in-loop.rs
+++ b/src/test/run-pass/liveness-move-in-loop.rs
@@ -8,10 +8,12 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 fn take(x: int) -> int {x}
 
 fn the_loop() {
-    let mut list = ~[];
+    let mut list = Vec::new();
     loop {
         let x = 5;
         if x > 3 {
diff --git a/src/test/run-pass/log-poly.rs b/src/test/run-pass/log-poly.rs
index c5221cd73d7ef..026138544b7d8 100644
--- a/src/test/run-pass/log-poly.rs
+++ b/src/test/run-pass/log-poly.rs
@@ -16,5 +16,5 @@ pub fn main() {
     info!("{}", 1);
     info!("{}", 2.0);
     warn!("{:?}", Three);
-    error!("{:?}", ~[4]);
+    error!("{:?}", vec!(4));
 }
diff --git a/src/test/run-pass/log-str.rs b/src/test/run-pass/log-str.rs
deleted file mode 100644
index 8859b5336260c..0000000000000
--- a/src/test/run-pass/log-str.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-use std::repr;
-
-pub fn main() {
-    let act = repr::repr_to_str(&~[1, 2, 3]);
-    assert_eq!(~"~[1, 2, 3]", act);
-
-    let act = format!("{:?}/{:6?}", ~[1, 2, 3], ~"hi");
-    assert_eq!(act, ~"~[1, 2, 3]/~\"hi\" ");
-}
diff --git a/src/test/run-pass/loop-scope.rs b/src/test/run-pass/loop-scope.rs
index 436bdf256ca42..1dc3700194c51 100644
--- a/src/test/run-pass/loop-scope.rs
+++ b/src/test/run-pass/loop-scope.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 
 pub fn main() {
-    let x = ~[10, 20, 30];
+    let x = vec!(10, 20, 30);
     let mut sum = 0;
     for x in x.iter() { sum += *x; }
     assert_eq!(sum, 60);
diff --git a/src/test/run-pass/match-join.rs b/src/test/run-pass/match-join.rs
index 90768fdc6c903..3b8073cfd06b3 100644
--- a/src/test/run-pass/match-join.rs
+++ b/src/test/run-pass/match-join.rs
@@ -8,12 +8,13 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
 extern crate extra;
 
+use std::vec_ng::Vec;
+
 fn foo<T>(y: Option<T>) {
     let mut x: int;
-    let mut rs: ~[int] = ~[];
+    let mut rs: Vec<int> = Vec::new();
     /* tests that x doesn't get put in the precondition for the
        entire if expression */
 
diff --git a/src/test/run-pass/match-vec-rvalue.rs b/src/test/run-pass/match-vec-rvalue.rs
index 20693897236a7..38952fc4daad2 100644
--- a/src/test/run-pass/match-vec-rvalue.rs
+++ b/src/test/run-pass/match-vec-rvalue.rs
@@ -10,13 +10,15 @@
 
 // Tests that matching rvalues with drops does not crash.
 
+use std::vec_ng::Vec;
+
 pub fn main() {
-    match ~[1, 2, 3] {
+    match vec!(1, 2, 3) {
         x => {
             assert_eq!(x.len(), 3);
-            assert_eq!(x[0], 1);
-            assert_eq!(x[1], 2);
-            assert_eq!(x[2], 3);
+            assert_eq!(*x.get(0), 1);
+            assert_eq!(*x.get(1), 2);
+            assert_eq!(*x.get(2), 3);
         }
     }
 }
diff --git a/src/test/run-pass/mod-view-items.rs b/src/test/run-pass/mod-view-items.rs
index d3f79b9815ef0..84564802dcd63 100644
--- a/src/test/run-pass/mod-view-items.rs
+++ b/src/test/run-pass/mod-view-items.rs
@@ -18,7 +18,9 @@
 
 mod m {
     use std::vec;
-    pub fn f() -> ~[int] { vec::from_elem(1u, 0) }
+    use std::vec_ng::Vec;
+
+    pub fn f() -> Vec<int> { Vec::from_elem(1u, 0) }
 }
 
 pub fn main() { let _x = m::f(); }
diff --git a/src/test/run-pass/monad.rs b/src/test/run-pass/monad.rs
index 42e782928b8da..182aa94700658 100644
--- a/src/test/run-pass/monad.rs
+++ b/src/test/run-pass/monad.rs
@@ -10,13 +10,15 @@
 
 // ignore-fast
 
+use std::vec_ng::Vec;
+
 trait vec_monad<A> {
-    fn bind<B>(&self, f: |&A| -> ~[B]) -> ~[B];
+    fn bind<B>(&self, f: |&A| -> Vec<B> ) -> Vec<B> ;
 }
 
-impl<A> vec_monad<A> for ~[A] {
-    fn bind<B>(&self, f: |&A| -> ~[B]) -> ~[B] {
-        let mut r = ~[];
+impl<A> vec_monad<A> for Vec<A> {
+    fn bind<B>(&self, f: |&A| -> Vec<B> ) -> Vec<B> {
+        let mut r = Vec::new();
         for elt in self.iter() {
             r.push_all_move(f(elt));
         }
@@ -44,8 +46,8 @@ fn transform(x: Option<int>) -> Option<~str> {
 pub fn main() {
     assert_eq!(transform(Some(10)), Some(~"11"));
     assert_eq!(transform(None), None);
-    assert!((~[~"hi"])
-        .bind(|x| ~[x.clone(), *x + "!"] )
-        .bind(|x| ~[x.clone(), *x + "?"] ) ==
-        ~[~"hi", ~"hi?", ~"hi!", ~"hi!?"]);
+    assert!((vec!(~"hi"))
+        .bind(|x| vec!(x.clone(), *x + "!") )
+        .bind(|x| vec!(x.clone(), *x + "?") ) ==
+        vec!(~"hi", ~"hi?", ~"hi!", ~"hi!?"));
 }
diff --git a/src/test/run-pass/morestack6.rs b/src/test/run-pass/morestack6.rs
index 1c4ff92907d61..8867c2bed0033 100644
--- a/src/test/run-pass/morestack6.rs
+++ b/src/test/run-pass/morestack6.rs
@@ -60,12 +60,12 @@ fn runtest2(f: extern fn(), frame_backoff: u32, last_stk: *u8) -> u32 {
 
 pub fn main() {
     use std::rand::Rng;
-    let fns = ~[
+    let fns = vec!(
         calllink01,
         calllink02,
         calllink08,
         calllink10
-    ];
+    );
     let mut rng = rand::rng();
     for f in fns.iter() {
         let f = *f;
diff --git a/src/test/run-pass/move-arg-2-unique.rs b/src/test/run-pass/move-arg-2-unique.rs
index ed3cdc81c3179..34e169f3d61a9 100644
--- a/src/test/run-pass/move-arg-2-unique.rs
+++ b/src/test/run-pass/move-arg-2-unique.rs
@@ -8,13 +8,15 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-fn test(foo: ~~[int]) { assert!((foo[0] == 10)); }
+use std::vec_ng::Vec;
+
+fn test(foo: ~Vec<int> ) { assert!((*foo.get(0) == 10)); }
 
 pub fn main() {
-    let x = ~~[10];
+    let x = ~vec!(10);
     // Test forgetting a local by move-in
     test(x);
 
     // Test forgetting a temporary by move-in.
-    test(~~[10]);
+    test(~vec!(10));
 }
diff --git a/src/test/run-pass/move-arg-2.rs b/src/test/run-pass/move-arg-2.rs
index 18cee34c25ca6..89316c37a3eda 100644
--- a/src/test/run-pass/move-arg-2.rs
+++ b/src/test/run-pass/move-arg-2.rs
@@ -10,13 +10,15 @@
 
 #[feature(managed_boxes)];
 
-fn test(foo: @~[int]) { assert!((foo[0] == 10)); }
+use std::vec_ng::Vec;
+
+fn test(foo: @Vec<int> ) { assert!((*foo.get(0) == 10)); }
 
 pub fn main() {
-    let x = @~[10];
+    let x = @vec!(10);
     // Test forgetting a local by move-in
     test(x);
 
     // Test forgetting a temporary by move-in.
-    test(@~[10]);
+    test(@vec!(10));
 }
diff --git a/src/test/run-pass/mutable-alias-vec.rs b/src/test/run-pass/mutable-alias-vec.rs
index f512a4659853a..41c1e30b88aad 100644
--- a/src/test/run-pass/mutable-alias-vec.rs
+++ b/src/test/run-pass/mutable-alias-vec.rs
@@ -10,12 +10,14 @@
 
 extern crate extra;
 
-fn grow(v: &mut ~[int]) {
+use std::vec_ng::Vec;
+
+fn grow(v: &mut Vec<int> ) {
     v.push(1);
 }
 
 pub fn main() {
-    let mut v: ~[int] = ~[];
+    let mut v: Vec<int> = Vec::new();
     grow(&mut v);
     grow(&mut v);
     grow(&mut v);
diff --git a/src/test/run-pass/mutable-vec-drop.rs b/src/test/run-pass/mutable-vec-drop.rs
index 2a04ca4ccd2ef..1f4196ef06f84 100644
--- a/src/test/run-pass/mutable-vec-drop.rs
+++ b/src/test/run-pass/mutable-vec-drop.rs
@@ -11,10 +11,12 @@
 #[feature(managed_boxes)];
 #[allow(unused_mut)];
 
+use std::vec_ng::Vec;
+
 struct Pair { a: int, b: int}
 
 pub fn main() {
     // This just tests whether the vec leaks its members.
-    let mut _pvec: ~[@Pair] =
-        ~[@Pair{a: 1, b: 2}, @Pair{a: 3, b: 4}, @Pair{a: 5, b: 6}];
+    let mut _pvec: Vec<@Pair> =
+        vec!(@Pair{a: 1, b: 2}, @Pair{a: 3, b: 4}, @Pair{a: 5, b: 6});
 }
diff --git a/src/test/run-pass/newtype-polymorphic.rs b/src/test/run-pass/newtype-polymorphic.rs
index 7bc28e6b00ff5..3d4639b2506a0 100644
--- a/src/test/run-pass/newtype-polymorphic.rs
+++ b/src/test/run-pass/newtype-polymorphic.rs
@@ -8,23 +8,27 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 #[deriving(Clone)]
-struct myvec<X>(~[X]);
+struct myvec<X>(Vec<X> );
 
-fn myvec_deref<X:Clone>(mv: myvec<X>) -> ~[X] {
+fn myvec_deref<X:Clone>(mv: myvec<X>) -> Vec<X> {
     let myvec(v) = mv;
     return v.clone();
 }
 
 fn myvec_elt<X>(mv: myvec<X>) -> X {
     let myvec(v) = mv;
-    return v[0];
+    return v.move_iter().next().unwrap();
 }
 
 pub fn main() {
-    let mv = myvec(~[1, 2, 3]);
-    assert_eq!(myvec_deref(mv.clone())[1], 2);
+    let mv = myvec(vec!(1, 2, 3));
+    let mv_clone = mv.clone();
+    let mv_clone = myvec_deref(mv_clone);
+    assert_eq!(*mv_clone.get(1), 2);
     assert_eq!(myvec_elt(mv.clone()), 1);
     let myvec(v) = mv;
-    assert_eq!(v[2], 3);
+    assert_eq!(*v.get(2), 3);
 }
diff --git a/src/test/run-pass/nullable-pointer-iotareduction.rs b/src/test/run-pass/nullable-pointer-iotareduction.rs
index a922201c41ae4..c071983fdf334 100644
--- a/src/test/run-pass/nullable-pointer-iotareduction.rs
+++ b/src/test/run-pass/nullable-pointer-iotareduction.rs
@@ -11,6 +11,7 @@
 #[feature(macro_rules)];
 
 use std::{option, cast};
+use std::vec_ng::Vec;
 
 // Iota-reduction is a rule in the Calculus of (Co-)Inductive Constructions,
 // which "says that a destructor applied to an object built from a constructor
@@ -77,7 +78,7 @@ pub fn main() {
     check_type!(~18: ~int);
     check_type!(@19: @int);
     check_type!(~"foo": ~str);
-    check_type!(~[20, 22]: ~[int]);
+    check_type!(vec!(20, 22): Vec<int> );
     let mint: uint = unsafe { cast::transmute(main) };
     check_type!(main: fn(), |pthing| {
         assert!(mint == unsafe { cast::transmute(*pthing) })
diff --git a/src/test/run-pass/nullable-pointer-size.rs b/src/test/run-pass/nullable-pointer-size.rs
index 84a6baa5de8a9..75a98913c971a 100644
--- a/src/test/run-pass/nullable-pointer-size.rs
+++ b/src/test/run-pass/nullable-pointer-size.rs
@@ -11,6 +11,7 @@
 #[feature(macro_rules)];
 
 use std::mem;
+use std::vec_ng::Vec;
 
 enum E<T> { Thing(int, T), Nothing((), ((), ()), [i8, ..0]) }
 struct S<T>(int, T);
@@ -41,6 +42,5 @@ pub fn main() {
     check_type!(~int);
     check_type!(@int);
     check_type!(~str);
-    check_type!(~[int]);
     check_type!(extern fn());
 }
diff --git a/src/test/run-pass/objects-owned-object-borrowed-method-header.rs b/src/test/run-pass/objects-owned-object-borrowed-method-header.rs
index 24c1b9d8fe8e7..ec284b24dbd1a 100644
--- a/src/test/run-pass/objects-owned-object-borrowed-method-header.rs
+++ b/src/test/run-pass/objects-owned-object-borrowed-method-header.rs
@@ -12,6 +12,8 @@
 
 #[feature(managed_boxes)];
 
+use std::vec_ng::Vec;
+
 // Test invoked `&self` methods on owned objects where the values
 // closed over contain managed values. This implies that the ~ boxes
 // will have headers that must be skipped over.
@@ -31,13 +33,13 @@ impl FooTrait for BarStruct {
 }
 
 pub fn main() {
-    let foos: ~[ ~FooTrait: ] = ~[
+    let foos: Vec<~FooTrait:> = vec!(
         ~BarStruct{ x: @0 } as ~FooTrait:,
         ~BarStruct{ x: @1 } as ~FooTrait:,
         ~BarStruct{ x: @2 } as ~FooTrait:
-    ];
+    );
 
     for i in range(0u, foos.len()) {
-        assert_eq!(i, foos[i].foo());
+        assert_eq!(i, foos.get(i).foo());
     }
 }
diff --git a/src/test/run-pass/objects-owned-object-borrowed-method-headerless.rs b/src/test/run-pass/objects-owned-object-borrowed-method-headerless.rs
index 72ae7cf9bb993..13258bed80f6c 100644
--- a/src/test/run-pass/objects-owned-object-borrowed-method-headerless.rs
+++ b/src/test/run-pass/objects-owned-object-borrowed-method-headerless.rs
@@ -12,6 +12,8 @@
 // closed over do not contain managed values, and thus the ~ boxes do
 // not have headers.
 
+use std::vec_ng::Vec;
+
 trait FooTrait {
     fn foo(&self) -> uint;
 }
@@ -27,13 +29,13 @@ impl FooTrait for BarStruct {
 }
 
 pub fn main() {
-    let foos: ~[ ~FooTrait ] = ~[
+    let foos: Vec<~FooTrait> = vec!(
         ~BarStruct{ x: 0 } as ~FooTrait,
         ~BarStruct{ x: 1 } as ~FooTrait,
         ~BarStruct{ x: 2 } as ~FooTrait
-    ];
+    );
 
     for i in range(0u, foos.len()) {
-        assert_eq!(i, foos[i].foo());
+        assert_eq!(i, foos.get(i).foo());
     }
 }
diff --git a/src/test/run-pass/overload-index-operator.rs b/src/test/run-pass/overload-index-operator.rs
index b475222619d62..c918202b31c1f 100644
--- a/src/test/run-pass/overload-index-operator.rs
+++ b/src/test/run-pass/overload-index-operator.rs
@@ -12,10 +12,10 @@
 // takes its argument *by reference*.
 
 use std::ops::Index;
+use std::vec_ng::Vec;
 
 struct AssociationList<K,V> {
-    pairs: ~[AssociationPair<K,V>]
-}
+    pairs: Vec<AssociationPair<K,V>> }
 
 #[deriving(Clone)]
 struct AssociationPair<K,V> {
@@ -44,7 +44,7 @@ pub fn main() {
     let foo = ~"foo";
     let bar = ~"bar";
 
-    let mut list = AssociationList {pairs: ~[]};
+    let mut list = AssociationList {pairs: Vec::new()};
     list.push(foo.clone(), 22);
     list.push(bar.clone(), 44);
 
diff --git a/src/test/run-pass/overloaded-deref.rs b/src/test/run-pass/overloaded-deref.rs
index 86046e8e05df6..43f68b4232910 100644
--- a/src/test/run-pass/overloaded-deref.rs
+++ b/src/test/run-pass/overloaded-deref.rs
@@ -10,6 +10,7 @@
 
 use std::cell::RefCell;
 use std::rc::Rc;
+use std::vec_ng::Vec;
 
 #[deriving(Eq, Show)]
 struct Point {
@@ -42,8 +43,10 @@ pub fn main() {
     (*(*p).borrow_mut()).y += 3;
     assert_eq!(*(*p).borrow(), Point {x: 3, y: 5});
 
-    let v = Rc::new(RefCell::new(~[1, 2, 3]));
-    (*(*v).borrow_mut())[0] = 3;
-    (*(*v).borrow_mut())[1] += 3;
-    assert_eq!(((*(*v).borrow())[0], (*(*v).borrow())[1], (*(*v).borrow())[2]), (3, 5, 3));
+    let v = Rc::new(RefCell::new(vec!(1, 2, 3)));
+    *(*(*v).borrow_mut()).get_mut(0) = 3;
+    *(*(*v).borrow_mut()).get_mut(1) += 3;
+    assert_eq!((*(*(*v).borrow()).get(0),
+                *(*(*v).borrow()).get(1),
+                *(*(*v).borrow()).get(2)), (3, 5, 3));
 }
diff --git a/src/test/run-pass/packed-struct-generic-size.rs b/src/test/run-pass/packed-struct-generic-size.rs
index 0b6ab579e6b73..02c030f3845c3 100644
--- a/src/test/run-pass/packed-struct-generic-size.rs
+++ b/src/test/run-pass/packed-struct-generic-size.rs
@@ -9,6 +9,7 @@
 // except according to those terms.
 
 use std::mem;
+use std::vec_ng::Vec;
 
 #[packed]
 struct S<T, S> {
@@ -22,6 +23,6 @@ pub fn main() {
 
     assert_eq!(mem::size_of::<S<u64, u16>>(), 11);
 
-    assert_eq!(mem::size_of::<S<~str, ~[int]>>(),
-               1 + mem::size_of::<~str>() + mem::size_of::<~[int]>());
+    assert_eq!(mem::size_of::<S<~str, Vec<int> >>(),
+               1 + mem::size_of::<~str>() + mem::size_of::<Vec<int> >());
 }
diff --git a/src/test/run-pass/pure-sum.rs b/src/test/run-pass/pure-sum.rs
index 17eab78f82084..cd5ce150bcb0d 100644
--- a/src/test/run-pass/pure-sum.rs
+++ b/src/test/run-pass/pure-sum.rs
@@ -10,31 +10,33 @@
 
 // Check that functions can modify local state.
 
-fn sums_to(v: ~[int], sum: int) -> bool {
+use std::vec_ng::Vec;
+
+fn sums_to(v: Vec<int> , sum: int) -> bool {
     let mut i = 0u;
     let mut sum0 = 0;
     while i < v.len() {
-        sum0 += v[i];
+        sum0 += *v.get(i);
         i += 1u;
     }
     return sum0 == sum;
 }
 
-fn sums_to_using_uniq(v: ~[int], sum: int) -> bool {
+fn sums_to_using_uniq(v: Vec<int> , sum: int) -> bool {
     let mut i = 0u;
     let mut sum0 = ~0;
     while i < v.len() {
-        *sum0 += v[i];
+        *sum0 += *v.get(i);
         i += 1u;
     }
     return *sum0 == sum;
 }
 
-fn sums_to_using_rec(v: ~[int], sum: int) -> bool {
+fn sums_to_using_rec(v: Vec<int> , sum: int) -> bool {
     let mut i = 0u;
     let mut sum0 = F {f: 0};
     while i < v.len() {
-        sum0.f += v[i];
+        sum0.f += *v.get(i);
         i += 1u;
     }
     return sum0.f == sum;
@@ -42,11 +44,11 @@ fn sums_to_using_rec(v: ~[int], sum: int) -> bool {
 
 struct F<T> { f: T }
 
-fn sums_to_using_uniq_rec(v: ~[int], sum: int) -> bool {
+fn sums_to_using_uniq_rec(v: Vec<int> , sum: int) -> bool {
     let mut i = 0u;
     let mut sum0 = F {f: ~0};
     while i < v.len() {
-        *sum0.f += v[i];
+        *sum0.f += *v.get(i);
         i += 1u;
     }
     return *sum0.f == sum;
diff --git a/src/test/run-pass/rcvr-borrowed-to-slice.rs b/src/test/run-pass/rcvr-borrowed-to-slice.rs
index 050a51c958d57..d8f47c6447b49 100644
--- a/src/test/run-pass/rcvr-borrowed-to-slice.rs
+++ b/src/test/run-pass/rcvr-borrowed-to-slice.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 trait sum {
     fn sum_(self) -> int;
 }
@@ -22,18 +24,18 @@ impl<'a> sum for &'a [int] {
 fn call_sum(x: &[int]) -> int { x.sum_() }
 
 pub fn main() {
-    let x = ~[1, 2, 3];
-    let y = call_sum(x);
+    let x = vec!(1, 2, 3);
+    let y = call_sum(x.as_slice());
     info!("y=={}", y);
     assert_eq!(y, 6);
 
-    let x = ~[1, 2, 3];
-    let y = x.sum_();
+    let x = vec!(1, 2, 3);
+    let y = x.as_slice().sum_();
     info!("y=={}", y);
     assert_eq!(y, 6);
 
-    let x = ~[1, 2, 3];
-    let y = x.sum_();
+    let x = vec!(1, 2, 3);
+    let y = x.as_slice().sum_();
     info!("y=={}", y);
     assert_eq!(y, 6);
 }
diff --git a/src/test/run-pass/reflect-visit-type.rs b/src/test/run-pass/reflect-visit-type.rs
index f81ddabf77c7f..7bca974c7b77e 100644
--- a/src/test/run-pass/reflect-visit-type.rs
+++ b/src/test/run-pass/reflect-visit-type.rs
@@ -11,9 +11,10 @@
 #[feature(managed_boxes)];
 
 use std::intrinsics::{TyDesc, get_tydesc, visit_tydesc, TyVisitor, Disr, Opaque};
+use std::vec_ng::Vec;
 
 struct MyVisitor {
-    types: ~[~str],
+    types: Vec<~str> ,
 }
 
 impl TyVisitor for MyVisitor {
@@ -145,16 +146,17 @@ fn visit_ty<T>(v: &mut MyVisitor) {
 }
 
 pub fn main() {
-    let mut v = MyVisitor {types: ~[]};
+    let mut v = MyVisitor {types: Vec::new()};
 
     visit_ty::<bool>(&mut v);
     visit_ty::<int>(&mut v);
     visit_ty::<i8>(&mut v);
     visit_ty::<i16>(&mut v);
-    visit_ty::<~[int]>(&mut v);
 
     for s in v.types.iter() {
         println!("type: {}", (*s).clone());
     }
-    assert_eq!(v.types.clone(), ~[~"bool", ~"int", ~"i8", ~"i16", ~"[", ~"int", ~"]"]);
+
+    let vec_types: Vec<~str> = v.types.clone().move_iter().collect();
+    assert_eq!(vec_types, vec!(~"bool", ~"int", ~"i8", ~"i16"));
 }
diff --git a/src/test/run-pass/regions-borrow-evec-uniq.rs b/src/test/run-pass/regions-borrow-evec-uniq.rs
index 914c51eaa7012..f3f0724bd574a 100644
--- a/src/test/run-pass/regions-borrow-evec-uniq.rs
+++ b/src/test/run-pass/regions-borrow-evec-uniq.rs
@@ -8,16 +8,18 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 fn foo(x: &[int]) -> int {
     x[0]
 }
 
 pub fn main() {
-    let p = ~[1,2,3,4,5];
-    let r = foo(p);
+    let p = vec!(1,2,3,4,5);
+    let r = foo(p.as_slice());
     assert_eq!(r, 1);
 
-    let p = ~[5,4,3,2,1];
-    let r = foo(p);
+    let p = vec!(5,4,3,2,1);
+    let r = foo(p.as_slice());
     assert_eq!(r, 5);
 }
diff --git a/src/test/run-pass/regions-dependent-addr-of.rs b/src/test/run-pass/regions-dependent-addr-of.rs
index de619685ca426..3f86f8612ed4c 100644
--- a/src/test/run-pass/regions-dependent-addr-of.rs
+++ b/src/test/run-pass/regions-dependent-addr-of.rs
@@ -11,6 +11,8 @@
 // Test lifetimes are linked properly when we create dependent region pointers.
 // Issue #3148.
 
+use std::vec_ng::Vec;
+
 struct A {
     value: B
 }
@@ -18,7 +20,7 @@ struct A {
 struct B {
     v1: int,
     v2: [int, ..3],
-    v3: ~[int],
+    v3: Vec<int> ,
     v4: C,
     v5: ~C,
     v6: Option<C>
@@ -41,7 +43,7 @@ fn get_v2<'v>(a: &'v A, i: uint) -> &'v int {
 
 fn get_v3<'v>(a: &'v A, i: uint) -> &'v int {
     let foo = &a.value;
-    &foo.v3[i]
+    foo.v3.get(i)
 }
 
 fn get_v4<'v>(a: &'v A, _i: uint) -> &'v int {
@@ -84,7 +86,7 @@ fn get_v5_ref<'v>(a: &'v A, _i: uint) -> &'v int {
 pub fn main() {
     let a = A {value: B {v1: 22,
                          v2: [23, 24, 25],
-                         v3: ~[26, 27, 28],
+                         v3: vec!(26, 27, 28),
                          v4: C { f: 29 },
                          v5: ~C { f: 30 },
                          v6: Some(C { f: 31 })}};
@@ -96,7 +98,7 @@ pub fn main() {
     assert_eq!(*p, a.value.v2[1]);
 
     let p = get_v3(&a, 1);
-    assert_eq!(*p, a.value.v3[1]);
+    assert_eq!(*p, *a.value.v3.get(1));
 
     let p = get_v4(&a, 1);
     assert_eq!(*p, a.value.v4.f);
diff --git a/src/test/run-pass/regions-dependent-autoslice.rs b/src/test/run-pass/regions-dependent-autoslice.rs
index dab881549c44c..3a472decc7c28 100644
--- a/src/test/run-pass/regions-dependent-autoslice.rs
+++ b/src/test/run-pass/regions-dependent-autoslice.rs
@@ -11,6 +11,8 @@
 // Test lifetimes are linked properly when we autoslice a vector.
 // Issue #3148.
 
+use std::vec_ng::Vec;
+
 fn subslice1<'r>(v: &'r [uint]) -> &'r [uint] { v }
 
 fn both<'r>(v: &'r [uint]) -> &'r [uint] {
@@ -18,6 +20,6 @@ fn both<'r>(v: &'r [uint]) -> &'r [uint] {
 }
 
 pub fn main() {
-    let v = ~[1,2,3];
-    both(v);
+    let v = vec!(1,2,3);
+    both(v.as_slice());
 }
diff --git a/src/test/run-pass/regions-infer-borrow-scope-view.rs b/src/test/run-pass/regions-infer-borrow-scope-view.rs
index 8f7452f2d06ed..b031cfea93e06 100644
--- a/src/test/run-pass/regions-infer-borrow-scope-view.rs
+++ b/src/test/run-pass/regions-infer-borrow-scope-view.rs
@@ -8,11 +8,13 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 fn view<'r, T>(x: &'r [T]) -> &'r [T] {x}
 
 pub fn main() {
-    let v = ~[1, 2, 3];
-    let x = view(v);
-    let y = view(x);
-    assert!((v[0] == x[0]) && (v[0] == y[0]));
+    let v = vec!(1, 2, 3);
+    let x = view(v.as_slice());
+    let y = view(x.as_slice());
+    assert!((*v.get(0) == x[0]) && (*v.get(0) == y[0]));
 }
diff --git a/src/test/run-pass/regions-mock-tcx.rs b/src/test/run-pass/regions-mock-tcx.rs
index c8e8c045614c3..fa2050c69f234 100644
--- a/src/test/run-pass/regions-mock-tcx.rs
+++ b/src/test/run-pass/regions-mock-tcx.rs
@@ -24,6 +24,7 @@ use collections::HashMap;
 use std::cast;
 use std::libc;
 use std::mem;
+use std::vec_ng::Vec;
 
 type Type<'tcx> = &'tcx TypeStructure<'tcx>;
 
@@ -44,7 +45,7 @@ impl<'tcx> Eq for TypeStructure<'tcx> {
 
 struct TypeContext<'tcx, 'ast> {
     ty_arena: &'tcx Arena,
-    types: ~[Type<'tcx>],
+    types: Vec<Type<'tcx>> ,
     type_table: HashMap<NodeId, Type<'tcx>>,
 
     ast_arena: &'ast Arena,
@@ -55,7 +56,7 @@ impl<'tcx,'ast> TypeContext<'tcx, 'ast> {
     fn new(ty_arena: &'tcx Arena, ast_arena: &'ast Arena)
            -> TypeContext<'tcx, 'ast> {
         TypeContext { ty_arena: ty_arena,
-                      types: ~[],
+                      types: Vec::new(),
                       type_table: HashMap::new(),
 
                       ast_arena: ast_arena,
diff --git a/src/test/run-pass/seq-compare.rs b/src/test/run-pass/seq-compare.rs
index 86907bdf2a38f..8694040269c48 100644
--- a/src/test/run-pass/seq-compare.rs
+++ b/src/test/run-pass/seq-compare.rs
@@ -8,19 +8,19 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
+use std::vec_ng::Vec;
 
 pub fn main() {
     assert!((~"hello" < ~"hellr"));
     assert!((~"hello " > ~"hello"));
     assert!((~"hello" != ~"there"));
-    assert!((~[1, 2, 3, 4] > ~[1, 2, 3]));
-    assert!((~[1, 2, 3] < ~[1, 2, 3, 4]));
-    assert!((~[1, 2, 4, 4] > ~[1, 2, 3, 4]));
-    assert!((~[1, 2, 3, 4] < ~[1, 2, 4, 4]));
-    assert!((~[1, 2, 3] <= ~[1, 2, 3]));
-    assert!((~[1, 2, 3] <= ~[1, 2, 3, 3]));
-    assert!((~[1, 2, 3, 4] > ~[1, 2, 3]));
-    assert_eq!(~[1, 2, 3], ~[1, 2, 3]);
-    assert!((~[1, 2, 3] != ~[1, 1, 3]));
+    assert!((vec!(1, 2, 3, 4) > vec!(1, 2, 3)));
+    assert!((vec!(1, 2, 3) < vec!(1, 2, 3, 4)));
+    assert!((vec!(1, 2, 4, 4) > vec!(1, 2, 3, 4)));
+    assert!((vec!(1, 2, 3, 4) < vec!(1, 2, 4, 4)));
+    assert!((vec!(1, 2, 3) <= vec!(1, 2, 3)));
+    assert!((vec!(1, 2, 3) <= vec!(1, 2, 3, 3)));
+    assert!((vec!(1, 2, 3, 4) > vec!(1, 2, 3)));
+    assert_eq!(vec!(1, 2, 3), vec!(1, 2, 3));
+    assert!((vec!(1, 2, 3) != vec!(1, 1, 3)));
 }
diff --git a/src/test/run-pass/shadow.rs b/src/test/run-pass/shadow.rs
index c5211889f3f0c..73eab87a34d87 100644
--- a/src/test/run-pass/shadow.rs
+++ b/src/test/run-pass/shadow.rs
@@ -8,9 +8,11 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-fn foo(c: ~[int]) {
+use std::vec_ng::Vec;
+
+fn foo(c: Vec<int> ) {
     let a: int = 5;
-    let mut b: ~[int] = ~[];
+    let mut b: Vec<int> = Vec::new();
 
 
     match none::<int> {
@@ -27,4 +29,4 @@ fn foo(c: ~[int]) {
 
 enum t<T> { none, some(T), }
 
-pub fn main() { let x = 10; let x = x + 20; assert!((x == 30)); foo(~[]); }
+pub fn main() { let x = 10; let x = x + 20; assert!((x == 30)); foo(Vec::new()); }
diff --git a/src/test/run-pass/shape_intrinsic_tag_then_rec.rs b/src/test/run-pass/shape_intrinsic_tag_then_rec.rs
index cb8d73108748b..2f4a51bb6fa84 100644
--- a/src/test/run-pass/shape_intrinsic_tag_then_rec.rs
+++ b/src/test/run-pass/shape_intrinsic_tag_then_rec.rs
@@ -15,6 +15,8 @@
 // interior record which is then itself interior to
 // something else, shape calculations were off.
 
+use std::vec_ng::Vec;
+
 #[deriving(Clone)]
 enum opt_span {
     //hack (as opposed to option), to make `span` compile
@@ -40,8 +42,8 @@ type ty_ = uint;
 #[deriving(Clone)]
 struct Path_ {
     global: bool,
-    idents: ~[~str],
-    types: ~[@ty],
+    idents: Vec<~str> ,
+    types: Vec<@ty>,
 }
 
 type path = Spanned<Path_>;
@@ -56,7 +58,11 @@ struct X {
 pub fn main() {
     let sp: Span = Span {lo: 57451u, hi: 57542u, expanded_from: os_none};
     let t: @ty = @Spanned { data: 3u, span: sp };
-    let p_: Path_ = Path_ { global: true, idents: ~[~"hi"], types: ~[t] };
+    let p_: Path_ = Path_ {
+        global: true,
+        idents: vec!(~"hi"),
+        types: vec!(t),
+    };
     let p: path = Spanned { data: p_, span: sp };
     let x = X { sp: sp, path: p };
     error!("{:?}", x.path.clone());
diff --git a/src/test/run-pass/size-and-align.rs b/src/test/run-pass/size-and-align.rs
index 2caef2d1b9e13..360a8ae55d10f 100644
--- a/src/test/run-pass/size-and-align.rs
+++ b/src/test/run-pass/size-and-align.rs
@@ -8,23 +8,22 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
-
+use std::vec_ng::Vec;
 
 enum clam<T> { a(T, int), b, }
 
-fn uhoh<T>(v: ~[clam<T>]) {
-    match v[1] {
-      a::<T>(ref _t, ref u) => {
+fn uhoh<T>(v: Vec<clam<T>> ) {
+    match v.get(1) {
+      &a::<T>(ref _t, ref u) => {
           info!("incorrect");
           info!("{:?}", u);
           fail!();
       }
-      b::<T> => { info!("correct"); }
+      &b::<T> => { info!("correct"); }
     }
 }
 
 pub fn main() {
-    let v: ~[clam<int>] = ~[b::<int>, b::<int>, a::<int>(42, 17)];
+    let v: Vec<clam<int>> = vec!(b::<int>, b::<int>, a::<int>(42, 17));
     uhoh::<int>(v);
 }
diff --git a/src/test/run-pass/static-impl.rs b/src/test/run-pass/static-impl.rs
index bdfd40e860054..5a5e9f7353dc6 100644
--- a/src/test/run-pass/static-impl.rs
+++ b/src/test/run-pass/static-impl.rs
@@ -10,6 +10,8 @@
 
 // ignore-fast
 
+use std::vec_ng::Vec;
+
 pub trait plus {
     fn plus(&self) -> int;
 }
@@ -40,14 +42,14 @@ impl uint_utils for uint {
 trait vec_utils<T> {
     fn length_(&self, ) -> uint;
     fn iter_(&self, f: |&T|);
-    fn map_<U>(&self, f: |&T| -> U) -> ~[U];
+    fn map_<U>(&self, f: |&T| -> U) -> Vec<U> ;
 }
 
-impl<T> vec_utils<T> for ~[T] {
+impl<T> vec_utils<T> for Vec<T> {
     fn length_(&self) -> uint { self.len() }
     fn iter_(&self, f: |&T|) { for x in self.iter() { f(x); } }
-    fn map_<U>(&self, f: |&T| -> U) -> ~[U] {
-        let mut r = ~[];
+    fn map_<U>(&self, f: |&T| -> U) -> Vec<U> {
+        let mut r = Vec::new();
         for elt in self.iter() {
             r.push(f(elt));
         }
@@ -59,9 +61,11 @@ pub fn main() {
     assert_eq!(10u.plus(), 30);
     assert_eq!((~"hi").plus(), 200);
 
-    assert_eq!((~[1]).length_().str(), ~"1");
-    assert_eq!((~[3, 4]).map_(|a| *a + 4 )[0], 7);
-    assert_eq!((~[3, 4]).map_::<uint>(|a| *a as uint + 4u )[0], 7u);
+    assert_eq!((vec!(1)).length_().str(), ~"1");
+    let vect = vec!(3, 4).map_(|a| *a + 4);
+    assert_eq!(*vect.get(0), 7);
+    let vect = (vec!(3, 4)).map_::<uint>(|a| *a as uint + 4u);
+    assert_eq!(*vect.get(0), 7u);
     let mut x = 0u;
     10u.multi(|_n| x += 2u );
     assert_eq!(x, 20u);
diff --git a/src/test/run-pass/swap-2.rs b/src/test/run-pass/swap-2.rs
index 208700fde8a8c..1a84406188828 100644
--- a/src/test/run-pass/swap-2.rs
+++ b/src/test/run-pass/swap-2.rs
@@ -9,14 +9,15 @@
 // except according to those terms.
 
 use std::mem::swap;
+use std::vec_ng::Vec;
 
 pub fn main() {
-    let mut a: ~[int] = ~[0, 1, 2, 3, 4, 5, 6];
+    let mut a: Vec<int> = vec!(0, 1, 2, 3, 4, 5, 6);
     a.swap(2, 4);
-    assert_eq!(a[2], 4);
-    assert_eq!(a[4], 2);
+    assert_eq!(*a.get(2), 4);
+    assert_eq!(*a.get(4), 2);
     let mut n = 42;
-    swap(&mut n, &mut a[0]);
-    assert_eq!(a[0], 42);
+    swap(&mut n, a.get_mut(0));
+    assert_eq!(*a.get(0), 42);
     assert_eq!(n, 0);
 }
diff --git a/src/test/run-pass/task-comm-16.rs b/src/test/run-pass/task-comm-16.rs
index 6c0520b5f284c..68a1ff2474204 100644
--- a/src/test/run-pass/task-comm-16.rs
+++ b/src/test/run-pass/task-comm-16.rs
@@ -9,6 +9,7 @@
 // except according to those terms.
 
 use std::cmp;
+use std::vec_ng::Vec;
 
 // Tests of ports and channels on various types
 fn test_rec() {
@@ -26,12 +27,12 @@ fn test_rec() {
 
 fn test_vec() {
     let (po, ch) = Chan::new();
-    let v0: ~[int] = ~[0, 1, 2];
+    let v0: Vec<int> = vec!(0, 1, 2);
     ch.send(v0);
     let v1 = po.recv();
-    assert_eq!(v1[0], 0);
-    assert_eq!(v1[1], 1);
-    assert_eq!(v1[2], 2);
+    assert_eq!(*v1.get(0), 0);
+    assert_eq!(*v1.get(1), 1);
+    assert_eq!(*v1.get(2), 2);
 }
 
 fn test_str() {
diff --git a/src/test/run-pass/task-comm-3.rs b/src/test/run-pass/task-comm-3.rs
index 732d72c11fec2..8416da227c78f 100644
--- a/src/test/run-pass/task-comm-3.rs
+++ b/src/test/run-pass/task-comm-3.rs
@@ -13,6 +13,7 @@
 extern crate extra;
 
 use std::task;
+use std::vec_ng::Vec;
 
 pub fn main() { info!("===== WITHOUT THREADS ====="); test00(); }
 
@@ -38,7 +39,7 @@ fn test00() {
     let mut i: int = 0;
 
     // Create and spawn tasks...
-    let mut results = ~[];
+    let mut results = Vec::new();
     while i < number_of_tasks {
         let ch = ch.clone();
         let mut builder = task::task();
diff --git a/src/test/run-pass/trait-bounds-in-arc.rs b/src/test/run-pass/trait-bounds-in-arc.rs
index fa94f1012d026..3faf2315eb746 100644
--- a/src/test/run-pass/trait-bounds-in-arc.rs
+++ b/src/test/run-pass/trait-bounds-in-arc.rs
@@ -19,6 +19,7 @@ extern crate sync;
 
 use sync::Arc;
 use std::task;
+use std::vec_ng::Vec;
 
 trait Pet {
     fn name(&self, blk: |&str|);
@@ -65,10 +66,10 @@ pub fn main() {
     let dogge1 = Dogge { bark_decibels: 100, tricks_known: 42, name: ~"alan_turing" };
     let dogge2 = Dogge { bark_decibels: 55,  tricks_known: 11, name: ~"albert_einstein" };
     let fishe = Goldfyshe { swim_speed: 998, name: ~"alec_guinness" };
-    let arc = Arc::new(~[~catte  as ~Pet:Freeze+Send,
+    let arc = Arc::new(vec!(~catte  as ~Pet:Freeze+Send,
                          ~dogge1 as ~Pet:Freeze+Send,
                          ~fishe  as ~Pet:Freeze+Send,
-                         ~dogge2 as ~Pet:Freeze+Send]);
+                         ~dogge2 as ~Pet:Freeze+Send));
     let (p1,c1) = Chan::new();
     let arc1 = arc.clone();
     task::spawn(proc() { check_legs(arc1); c1.send(()); });
@@ -83,21 +84,21 @@ pub fn main() {
     p3.recv();
 }
 
-fn check_legs(arc: Arc<~[~Pet:Freeze+Send]>) {
+fn check_legs(arc: Arc<Vec<~Pet:Freeze+Send> >) {
     let mut legs = 0;
     for pet in arc.get().iter() {
         legs += pet.num_legs();
     }
     assert!(legs == 12);
 }
-fn check_names(arc: Arc<~[~Pet:Freeze+Send]>) {
+fn check_names(arc: Arc<Vec<~Pet:Freeze+Send> >) {
     for pet in arc.get().iter() {
         pet.name(|name| {
             assert!(name[0] == 'a' as u8 && name[1] == 'l' as u8);
         })
     }
 }
-fn check_pedigree(arc: Arc<~[~Pet:Freeze+Send]>) {
+fn check_pedigree(arc: Arc<Vec<~Pet:Freeze+Send> >) {
     for pet in arc.get().iter() {
         assert!(pet.of_good_pedigree());
     }
diff --git a/src/test/run-pass/trait-generic.rs b/src/test/run-pass/trait-generic.rs
index 12bf4eef44ae4..5cc40f2dd37cb 100644
--- a/src/test/run-pass/trait-generic.rs
+++ b/src/test/run-pass/trait-generic.rs
@@ -10,6 +10,8 @@
 
 // ignore-fast
 
+use std::vec_ng::Vec;
+
 trait to_str {
     fn to_string(&self) -> ~str;
 }
@@ -24,29 +26,29 @@ impl to_str for () {
 }
 
 trait map<T> {
-    fn map<U>(&self, f: |&T| -> U) -> ~[U];
+    fn map<U>(&self, f: |&T| -> U) -> Vec<U> ;
 }
-impl<T> map<T> for ~[T] {
-    fn map<U>(&self, f: |&T| -> U) -> ~[U] {
-        let mut r = ~[];
+impl<T> map<T> for Vec<T> {
+    fn map<U>(&self, f: |&T| -> U) -> Vec<U> {
+        let mut r = Vec::new();
         // FIXME: #7355 generates bad code with VecIterator
         for i in range(0u, self.len()) {
-            r.push(f(&self[i]));
+            r.push(f(self.get(i)));
         }
         r
     }
 }
 
-fn foo<U, T: map<U>>(x: T) -> ~[~str] {
+fn foo<U, T: map<U>>(x: T) -> Vec<~str> {
     x.map(|_e| ~"hi" )
 }
-fn bar<U:to_str,T:map<U>>(x: T) -> ~[~str] {
+fn bar<U:to_str,T:map<U>>(x: T) -> Vec<~str> {
     x.map(|_e| _e.to_string() )
 }
 
 pub fn main() {
-    assert_eq!(foo(~[1]), ~[~"hi"]);
-    assert_eq!(bar::<int, ~[int]>(~[4, 5]), ~[~"4", ~"5"]);
-    assert_eq!(bar::<~str, ~[~str]>(~[~"x", ~"y"]), ~[~"x", ~"y"]);
-    assert_eq!(bar::<(), ~[()]>(~[()]), ~[~"()"]);
+    assert_eq!(foo(vec!(1)), vec!(~"hi"));
+    assert_eq!(bar::<int, Vec<int> >(vec!(4, 5)), vec!(~"4", ~"5"));
+    assert_eq!(bar::<~str, Vec<~str> >(vec!(~"x", ~"y")), vec!(~"x", ~"y"));
+    assert_eq!(bar::<(), Vec<()>>(vec!(())), vec!(~"()"));
 }
diff --git a/src/test/run-pass/trait-to-str.rs b/src/test/run-pass/trait-to-str.rs
index b6468b4483ddc..fa320bba98256 100644
--- a/src/test/run-pass/trait-to-str.rs
+++ b/src/test/run-pass/trait-to-str.rs
@@ -10,6 +10,8 @@
 
 // ignore-fast
 
+use std::vec_ng::Vec;
+
 trait to_str {
     fn to_string(&self) -> ~str;
 }
@@ -18,7 +20,7 @@ impl to_str for int {
     fn to_string(&self) -> ~str { self.to_str() }
 }
 
-impl<T:to_str> to_str for ~[T] {
+impl<T:to_str> to_str for Vec<T> {
     fn to_string(&self) -> ~str {
         format!("[{}]", self.iter().map(|e| e.to_string()).to_owned_vec().connect(", "))
     }
@@ -26,15 +28,15 @@ impl<T:to_str> to_str for ~[T] {
 
 pub fn main() {
     assert!(1.to_string() == ~"1");
-    assert!((~[2, 3, 4]).to_string() == ~"[2, 3, 4]");
+    assert!((vec!(2, 3, 4)).to_string() == ~"[2, 3, 4]");
 
     fn indirect<T:to_str>(x: T) -> ~str {
         x.to_string() + "!"
     }
-    assert!(indirect(~[10, 20]) == ~"[10, 20]!");
+    assert!(indirect(vec!(10, 20)) == ~"[10, 20]!");
 
     fn indirect2<T:to_str>(x: T) -> ~str {
         indirect(x)
     }
-    assert!(indirect2(~[1]) == ~"[1]!");
+    assert!(indirect2(vec!(1)) == ~"[1]!");
 }
diff --git a/src/test/run-pass/tydesc-name.rs b/src/test/run-pass/tydesc-name.rs
index b3835ad5cdfad..42ce18dccaff9 100644
--- a/src/test/run-pass/tydesc-name.rs
+++ b/src/test/run-pass/tydesc-name.rs
@@ -19,7 +19,6 @@ struct Foo<T> {
 pub fn main() {
     unsafe {
         assert_eq!((*get_tydesc::<int>()).name, "int");
-        assert_eq!((*get_tydesc::<~[int]>()).name, "~[int]");
         assert_eq!((*get_tydesc::<Foo<uint>>()).name, "Foo<uint>");
     }
 }
diff --git a/src/test/run-pass/type-params-in-for-each.rs b/src/test/run-pass/type-params-in-for-each.rs
index ff7ffb6dc6f00..c0a22bacfd21e 100644
--- a/src/test/run-pass/type-params-in-for-each.rs
+++ b/src/test/run-pass/type-params-in-for-each.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 struct S<T> {
     a: T,
     b: uint,
@@ -18,9 +20,9 @@ fn range_(lo: uint, hi: uint, it: |uint|) {
     while lo_ < hi { it(lo_); lo_ += 1u; }
 }
 
-fn create_index<T>(_index: ~[S<T>], _hash_fn: extern fn(T) -> uint) {
+fn create_index<T>(_index: Vec<S<T>> , _hash_fn: extern fn(T) -> uint) {
     range_(0u, 256u, |_i| {
-        let _bucket: ~[T] = ~[];
+        let _bucket: Vec<T> = Vec::new();
     })
 }
 
diff --git a/src/test/run-pass/unique-assign-generic.rs b/src/test/run-pass/unique-assign-generic.rs
index 8fb2b9b40f4fb..1af120df470f5 100644
--- a/src/test/run-pass/unique-assign-generic.rs
+++ b/src/test/run-pass/unique-assign-generic.rs
@@ -18,6 +18,6 @@ fn f<T>(t: T) -> T {
 pub fn main() {
     let t = f(~100);
     assert_eq!(t, ~100);
-    let t = f(~@~[100]);
-    assert_eq!(t, ~@~[100]);
+    let t = f(~@vec!(100));
+    assert_eq!(t, ~@vec!(100));
 }
diff --git a/src/test/run-pass/unique-autoderef-index.rs b/src/test/run-pass/unique-autoderef-index.rs
index 46f9ca794a9fe..87ce07c596ce5 100644
--- a/src/test/run-pass/unique-autoderef-index.rs
+++ b/src/test/run-pass/unique-autoderef-index.rs
@@ -8,7 +8,9 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 pub fn main() {
-    let i = ~~[100];
-    assert_eq!(i[0], 100);
+    let i = ~vec!(100);
+    assert_eq!(*i.get(0), 100);
 }
diff --git a/src/test/run-pass/unique-create.rs b/src/test/run-pass/unique-create.rs
index 9570c17c8654c..023917ec2e948 100644
--- a/src/test/run-pass/unique-create.rs
+++ b/src/test/run-pass/unique-create.rs
@@ -13,5 +13,5 @@ pub fn main() {
 }
 
 fn vec() {
-    ~[0];
+    vec!(0);
 }
diff --git a/src/test/run-pass/unique-drop-complex.rs b/src/test/run-pass/unique-drop-complex.rs
index 2090352f9ce08..eb8fa640a0fd9 100644
--- a/src/test/run-pass/unique-drop-complex.rs
+++ b/src/test/run-pass/unique-drop-complex.rs
@@ -9,5 +9,5 @@
 // except according to those terms.
 
 pub fn main() {
-    let _x = ~~[0,0,0,0,0];
+    let _x = ~vec!(0,0,0,0,0);
 }
diff --git a/src/test/run-pass/unique-in-vec-copy.rs b/src/test/run-pass/unique-in-vec-copy.rs
index 3a27d7844bcad..9e73039a0a765 100644
--- a/src/test/run-pass/unique-in-vec-copy.rs
+++ b/src/test/run-pass/unique-in-vec-copy.rs
@@ -8,16 +8,18 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+
 pub fn main() {
-    let mut a = ~[~10];
+    let mut a = vec!(~10);
     let b = a.clone();
 
-    assert_eq!(*a[0], 10);
-    assert_eq!(*b[0], 10);
+    assert_eq!(**a.get(0), 10);
+    assert_eq!(**b.get(0), 10);
 
     // This should only modify the value in a, not b
-    *a[0] = 20;
+    **a.get_mut(0) = 20;
 
-    assert_eq!(*a[0], 20);
-    assert_eq!(*b[0], 10);
+    assert_eq!(**a.get(0), 20);
+    assert_eq!(**b.get(0), 10);
 }
diff --git a/src/test/run-pass/unique-in-vec.rs b/src/test/run-pass/unique-in-vec.rs
index 51fceae39b405..82d3a29d901ba 100644
--- a/src/test/run-pass/unique-in-vec.rs
+++ b/src/test/run-pass/unique-in-vec.rs
@@ -9,5 +9,6 @@
 // except according to those terms.
 
 pub fn main() {
-    assert!((~[~100])[0] == ~100);
+    let vect = vec!(~100);
+    assert!(*vect.get(0) == ~100);
 }
diff --git a/src/test/run-pass/utf8_chars.rs b/src/test/run-pass/utf8_chars.rs
index 3066a247e4e6b..99d1c11d54bf3 100644
--- a/src/test/run-pass/utf8_chars.rs
+++ b/src/test/run-pass/utf8_chars.rs
@@ -11,17 +11,18 @@
 extern crate extra;
 
 use std::str;
+use std::vec_ng::Vec;
 
 pub fn main() {
     // Chars of 1, 2, 3, and 4 bytes
-    let chs: ~[char] = ~['e', 'é', '€', '\U00010000'];
-    let s: ~str = str::from_chars(chs);
-    let schs: ~[char] = s.chars().collect();
+    let chs: Vec<char> = vec!('e', 'é', '€', '\U00010000');
+    let s: ~str = str::from_chars(chs.as_slice());
+    let schs: Vec<char> = s.chars().collect();
 
     assert!(s.len() == 10u);
     assert!(s.char_len() == 4u);
     assert!(schs.len() == 4u);
-    assert!(str::from_chars(schs) == s);
+    assert!(str::from_chars(schs.as_slice()) == s);
     assert!(s.char_at(0u) == 'e');
     assert!(s.char_at(1u) == 'é');
 
diff --git a/src/test/run-pass/vec-concat.rs b/src/test/run-pass/vec-concat.rs
index 7014ad5df141d..bbf6960e377bd 100644
--- a/src/test/run-pass/vec-concat.rs
+++ b/src/test/run-pass/vec-concat.rs
@@ -8,12 +8,15 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
+use std::vec_ng;
+
 pub fn main() {
-    let a: ~[int] = ~[1, 2, 3, 4, 5];
-    let b: ~[int] = ~[6, 7, 8, 9, 0];
-    let v: ~[int] = a + b;
-    info!("{}", v[9]);
-    assert_eq!(v[0], 1);
-    assert_eq!(v[7], 8);
-    assert_eq!(v[9], 0);
+    let a: Vec<int> = vec!(1, 2, 3, 4, 5);
+    let b: Vec<int> = vec!(6, 7, 8, 9, 0);
+    let v: Vec<int> = vec_ng::append(a, b.as_slice());
+    info!("{}", *v.get(9));
+    assert_eq!(*v.get(0), 1);
+    assert_eq!(*v.get(7), 8);
+    assert_eq!(*v.get(9), 0);
 }
diff --git a/src/test/run-pass/vec-drop.rs b/src/test/run-pass/vec-drop.rs
index d34350e969637..675c06c257042 100644
--- a/src/test/run-pass/vec-drop.rs
+++ b/src/test/run-pass/vec-drop.rs
@@ -10,11 +10,13 @@
 
 #[feature(managed_boxes)];
 
+use std::vec_ng::Vec;
+
 struct Pair { x: int, y: int }
 
 pub fn main() {
     // This just tests whether the vec leaks its members.
 
-    let _pvec: ~[@Pair] =
-        ~[@Pair{x: 1, y: 2}, @Pair{x: 3, y: 4}, @Pair{x: 5, y: 6}];
+    let _pvec: Vec<@Pair> =
+        vec!(@Pair{x: 1, y: 2}, @Pair{x: 3, y: 4}, @Pair{x: 5, y: 6});
 }
diff --git a/src/test/run-pass/vec-growth.rs b/src/test/run-pass/vec-growth.rs
index c9a4c57cc9d36..4414da91ce765 100644
--- a/src/test/run-pass/vec-growth.rs
+++ b/src/test/run-pass/vec-growth.rs
@@ -8,17 +8,17 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
+use std::vec_ng::Vec;
 
 pub fn main() {
-    let mut v = ~[1];
+    let mut v = vec!(1);
     v.push(2);
     v.push(3);
     v.push(4);
     v.push(5);
-    assert_eq!(v[0], 1);
-    assert_eq!(v[1], 2);
-    assert_eq!(v[2], 3);
-    assert_eq!(v[3], 4);
-    assert_eq!(v[4], 5);
+    assert_eq!(*v.get(0), 1);
+    assert_eq!(*v.get(1), 2);
+    assert_eq!(*v.get(2), 3);
+    assert_eq!(*v.get(3), 4);
+    assert_eq!(*v.get(4), 5);
 }
diff --git a/src/test/run-pass/vec-ivec-deadlock.rs b/src/test/run-pass/vec-ivec-deadlock.rs
deleted file mode 100644
index ccc7768469dd1..0000000000000
--- a/src/test/run-pass/vec-ivec-deadlock.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-#[allow(dead_assignment)];
-
-pub fn main() {
-    let a = ~[1, 2, 3, 4, 5];
-    let mut b = ~[a.clone(), a.clone()];
-    b = b + b; // FIXME(#3387)---can't write b += b
-}
diff --git a/src/test/run-pass/vec-late-init.rs b/src/test/run-pass/vec-late-init.rs
index 7ffbade05c1cc..2ce0bf228c9a8 100644
--- a/src/test/run-pass/vec-late-init.rs
+++ b/src/test/run-pass/vec-late-init.rs
@@ -8,10 +8,10 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
+use std::vec_ng::Vec;
 
 pub fn main() {
-    let mut later: ~[int];
-    if true { later = ~[1]; } else { later = ~[2]; }
-    info!("{}", later[0]);
+    let mut later: Vec<int> ;
+    if true { later = vec!(1); } else { later = vec!(2); }
+    info!("{}", *later.get(0));
 }
diff --git a/src/test/run-pass/vec-push.rs b/src/test/run-pass/vec-push.rs
index 50e76db031441..33f01c5bd41c8 100644
--- a/src/test/run-pass/vec-push.rs
+++ b/src/test/run-pass/vec-push.rs
@@ -8,4 +8,4 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-pub fn main() { let mut v = ~[1, 2, 3]; v.push(1); }
+pub fn main() { let mut v = vec!(1, 2, 3); v.push(1); }
diff --git a/src/test/run-pass/vec-self-append.rs b/src/test/run-pass/vec-self-append.rs
deleted file mode 100644
index e9fcfaaf2837f..0000000000000
--- a/src/test/run-pass/vec-self-append.rs
+++ /dev/null
@@ -1,58 +0,0 @@
-// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-extern crate extra;
-
-fn test_heap_to_heap() {
-    // a spills onto the heap
-    let mut a = ~[0, 1, 2, 3, 4];
-    a = a + a; // FIXME(#3387)---can't write a += a
-    assert_eq!(a.len(), 10u);
-    assert_eq!(a[0], 0);
-    assert_eq!(a[1], 1);
-    assert_eq!(a[2], 2);
-    assert_eq!(a[3], 3);
-    assert_eq!(a[4], 4);
-    assert_eq!(a[5], 0);
-    assert_eq!(a[6], 1);
-    assert_eq!(a[7], 2);
-    assert_eq!(a[8], 3);
-    assert_eq!(a[9], 4);
-}
-
-fn test_stack_to_heap() {
-    // a is entirely on the stack
-    let mut a = ~[0, 1, 2];
-    // a spills to the heap
-    a = a + a; // FIXME(#3387)---can't write a += a
-    assert_eq!(a.len(), 6u);
-    assert_eq!(a[0], 0);
-    assert_eq!(a[1], 1);
-    assert_eq!(a[2], 2);
-    assert_eq!(a[3], 0);
-    assert_eq!(a[4], 1);
-    assert_eq!(a[5], 2);
-}
-
-fn test_loop() {
-    // Make sure we properly handle repeated self-appends.
-    let mut a: ~[int] = ~[0];
-    let mut i = 20;
-    let mut expected_len = 1u;
-    while i > 0 {
-        error!("{}", a.len());
-        assert_eq!(a.len(), expected_len);
-        a = a + a; // FIXME(#3387)---can't write a += a
-        i -= 1;
-        expected_len *= 2u;
-    }
-}
-
-pub fn main() { test_heap_to_heap(); test_stack_to_heap(); test_loop(); }
diff --git a/src/test/run-pass/vec-slice.rs b/src/test/run-pass/vec-slice.rs
index e3012b0862145..946b6a469daad 100644
--- a/src/test/run-pass/vec-slice.rs
+++ b/src/test/run-pass/vec-slice.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 
 pub fn main() {
-    let  v = ~[1,2,3,4,5];
+    let  v = vec!(1,2,3,4,5);
     let v2 = v.slice(1, 3);
     assert_eq!(v2[0], 2);
     assert_eq!(v2[1], 3);
diff --git a/src/test/run-pass/vec-to_str.rs b/src/test/run-pass/vec-to_str.rs
index e25b4de0a11c9..64072dab3e382 100644
--- a/src/test/run-pass/vec-to_str.rs
+++ b/src/test/run-pass/vec-to_str.rs
@@ -9,10 +9,10 @@
 // except according to those terms.
 
 pub fn main() {
-    assert_eq!((~[0, 1]).to_str(), ~"[0, 1]");
+    assert_eq!((vec!(0, 1)).to_str(), ~"[0, 1]");
     assert_eq!((&[1, 2]).to_str(), ~"[1, 2]");
 
-    let foo = ~[3, 4];
+    let foo = vec!(3, 4);
     let bar = &[4, 5];
 
     assert_eq!(foo.to_str(), ~"[3, 4]");
diff --git a/src/test/run-pass/vec-trailing-comma.rs b/src/test/run-pass/vec-trailing-comma.rs
deleted file mode 100644
index 426416f63d307..0000000000000
--- a/src/test/run-pass/vec-trailing-comma.rs
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-// Issue #2482.
-
-pub fn main() {
-    let v1: ~[int] = ~[10, 20, 30,];
-    let v2: ~[int] = ~[10, 20, 30];
-    assert_eq!(v1[2], v2[2]);
-    let v3: ~[int] = ~[10,];
-    let v4: ~[int] = ~[10];
-    assert_eq!(v3[0], v4[0]);
-}
diff --git a/src/test/run-pass/vec.rs b/src/test/run-pass/vec.rs
index cb67546dc1b00..7fd3b57b0e524 100644
--- a/src/test/run-pass/vec.rs
+++ b/src/test/run-pass/vec.rs
@@ -8,17 +8,16 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
-
+use std::vec_ng::Vec;
 
 pub fn main() {
-    let v: ~[int] = ~[10, 20];
-    assert_eq!(v[0], 10);
-    assert_eq!(v[1], 20);
-    let mut x: int = 0;
-    assert_eq!(v[x], 10);
-    assert_eq!(v[x + 1], 20);
+    let v: Vec<int> = vec!(10, 20);
+    assert_eq!(*v.get(0), 10);
+    assert_eq!(*v.get(1), 20);
+    let mut x: uint = 0;
+    assert_eq!(*v.get(x), 10);
+    assert_eq!(*v.get(x + 1), 20);
     x = x + 1;
-    assert_eq!(v[x], 20);
-    assert_eq!(v[x - 1], 10);
+    assert_eq!(*v.get(x), 20);
+    assert_eq!(*v.get(x - 1), 10);
 }
diff --git a/src/test/run-pass/vector-no-ann-2.rs b/src/test/run-pass/vector-no-ann-2.rs
index a2a8c8d2b34c6..56624cecdca35 100644
--- a/src/test/run-pass/vector-no-ann-2.rs
+++ b/src/test/run-pass/vector-no-ann-2.rs
@@ -10,4 +10,6 @@
 
 #[feature(managed_boxes)];
 
-pub fn main() { let _quux: @~[uint] = @~[]; }
+use std::vec_ng::Vec;
+
+pub fn main() { let _quux: @Vec<uint> = @Vec::new(); }
diff --git a/src/test/run-pass/while-with-break.rs b/src/test/run-pass/while-with-break.rs
index 57bc3bda9636a..6296296e3e007 100644
--- a/src/test/run-pass/while-with-break.rs
+++ b/src/test/run-pass/while-with-break.rs
@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::vec_ng::Vec;
 
 pub fn main() {
     let mut i: int = 90;
@@ -15,8 +16,8 @@ pub fn main() {
         info!("{}", i);
         i = i + 1;
         if i == 95 {
-            let _v: ~[int] =
-                ~[1, 2, 3, 4, 5]; // we check that it is freed by break
+            let _v: Vec<int> =
+                vec!(1, 2, 3, 4, 5); // we check that it is freed by break
 
             info!("breaking");
             break;