Stabilize std::convert and related code

src/compiletest/compiletest.rs

@@ -18,7 +18,6 @@
 #![feature(std_misc)]
 #![feature(test)]
 #![feature(path_ext)]
-#![feature(convert)]
 #![feature(str_char)]
 
 #![deny(warnings)]

src/libcollections/lib.rs

@@ -38,7 +38,6 @@
 #![feature(unsafe_no_drop_flag, filling_drop)]
 #![feature(step_by)]
 #![feature(str_char)]
-#![feature(convert)]
 #![feature(slice_patterns)]
 #![feature(debug_builders)]
 #![cfg_attr(test, feature(rand, rustc_private, test, hash, collections))]

src/libcollections/string.rs

@@ -364,6 +364,14 @@ impl String {
  self.vec
  }
 
+ /// Extract a string slice containing the entire string.
+ #[inline]
+ #[unstable(feature = "convert",
+ reason = "waiting on RFC revision")]
+ pub fn as_str(&self) -> &str {
+ self
+ }
+
  /// Pushes the given string onto this string buffer.
  ///
  /// # Examples
@@ -848,7 +856,6 @@ impl<'a, 'b> PartialEq<Cow<'a, str>> for &'b str {
 #[allow(deprecated)]
 impl Str for String {
  #[inline]
- #[stable(feature = "rust1", since = "1.0.0")]
  fn as_slice(&self) -> &str {
  unsafe { mem::transmute(&*self.vec) }
  }

src/libcollections/vec.rs

@@ -423,11 +423,18 @@ impl<T> Vec<T> {
  }
  }
 
+ /// Extract a slice containing the entire vector.
+ #[inline]
+ #[unstable(feature = "convert",
+ reason = "waiting on RFC revision")]
+ pub fn as_slice(&self) -> &[T] {
+ self
+ }
+
  /// Deprecated: use `&mut s[..]` instead.
  #[inline]
- #[unstable(feature = "collections",
- reason = "will be replaced by slice syntax")]
- #[deprecated(since = "1.0.0", reason = "use &mut s[..] instead")]
+ #[unstable(feature = "convert",
+ reason = "waiting on RFC revision")]
  pub fn as_mut_slice(&mut self) -> &mut [T] {
  &mut self[..]
  }
@@ -1640,13 +1647,6 @@ impl<T> AsRef<Vec<T>> for Vec<T> {
  }
 }
 
-#[stable(feature = "rust1", since = "1.0.0")]
-impl<T> Into<Vec<T>> for Vec<T> {
- fn into(self) -> Vec<T> {
- self
- }
-}
-
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T> AsRef<[T]> for Vec<T> {
  fn as_ref(&self) -> &[T] {

src/libcore/convert.rs

@@ -14,55 +14,57 @@
 //! conversions from one type to another. They follow the standard
 //! Rust conventions of `as`/`to`/`into`/`from`.
 
-#![unstable(feature = "convert",
- reason = "recently added, experimental traits")]
+#![stable(feature = "rust1", since = "1.0.0")]
 
 use marker::Sized;
 
 /// A cheap, reference-to-reference conversion.
+#[stable(feature = "rust1", since = "1.0.0")]
 pub trait AsRef<T: ?Sized> {
  /// Perform the conversion.
+ #[stable(feature = "rust1", since = "1.0.0")]
  fn as_ref(&self) -> &T;
 }
 
 /// A cheap, mutable reference-to-mutable reference conversion.
+#[stable(feature = "rust1", since = "1.0.0")]
 pub trait AsMut<T: ?Sized> {
  /// Perform the conversion.
+ #[stable(feature = "rust1", since = "1.0.0")]
  fn as_mut(&mut self) -> &mut T;
 }
 
 /// A conversion that consumes `self`, which may or may not be
 /// expensive.
+#[stable(feature = "rust1", since = "1.0.0")]
 pub trait Into<T>: Sized {
  /// Perform the conversion.
+ #[stable(feature = "rust1", since = "1.0.0")]
  fn into(self) -> T;
 }
 
 /// Construct `Self` via a conversion.
+#[stable(feature = "rust1", since = "1.0.0")]
 pub trait From<T> {
  /// Perform the conversion.
+ #[stable(feature = "rust1", since = "1.0.0")]
  fn from(T) -> Self;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // GENERIC IMPLS
 ////////////////////////////////////////////////////////////////////////////////
 
-// As implies Into
-impl<'a, T: ?Sized, U: ?Sized> Into<&'a U> for &'a T where T: AsRef<U> {
- fn into(self) -> &'a U {
- self.as_ref()
- }
-}
-
 // As lifts over &
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<'a, T: ?Sized, U: ?Sized> AsRef<U> for &'a T where T: AsRef<U> {
  fn as_ref(&self) -> &U {
  <T as AsRef<U>>::as_ref(*self)
  }
 }
 
 // As lifts over &mut
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<'a, T: ?Sized, U: ?Sized> AsRef<U> for &'a mut T where T: AsRef<U> {
  fn as_ref(&self) -> &U {
  <T as AsRef<U>>::as_ref(*self)
@@ -77,14 +79,8 @@ impl<'a, T: ?Sized, U: ?Sized> AsRef<U> for &'a mut T where T: AsRef<U> {
 // }
 // }
 
-// AsMut implies Into
-impl<'a, T: ?Sized, U: ?Sized> Into<&'a mut U> for &'a mut T where T: AsMut<U> {
- fn into(self) -> &'a mut U {
- (*self).as_mut()
- }
-}
-
 // AsMut lifts over &mut
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<'a, T: ?Sized, U: ?Sized> AsMut<U> for &'a mut T where T: AsMut<U> {
  fn as_mut(&mut self) -> &mut U {
  (*self).as_mut()
@@ -100,28 +96,38 @@ impl<'a, T: ?Sized, U: ?Sized> AsMut<U> for &'a mut T where T: AsMut<U> {
 // }
 
 // From implies Into
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T, U> Into<U> for T where U: From<T> {
  fn into(self) -> U {
  U::from(self)
  }
 }
 
+// From (and thus Into) is reflexive
+#[stable(feature = "rust1", since = "1.0.0")]
+impl<T> From<T> for T {
+ fn from(t: T) -> T { t }
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // CONCRETE IMPLS
 ////////////////////////////////////////////////////////////////////////////////
 
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T> AsRef<[T]> for [T] {
  fn as_ref(&self) -> &[T] {
  self
  }
 }
 
+#[stable(feature = "rust1", since = "1.0.0")]
 impl<T> AsMut<[T]> for [T] {
  fn as_mut(&mut self) -> &mut [T] {
  self
  }
 }
 
+#[stable(feature = "rust1", since = "1.0.0")]
 impl AsRef<str> for str {
  fn as_ref(&self) -> &str {
  self

src/librustc/lib.rs

@@ -41,7 +41,6 @@
 #![feature(path_ext)]
 #![feature(str_words)]
 #![feature(str_char)]
-#![feature(convert)]
 #![feature(into_cow)]
 #![feature(slice_patterns)]
 #![cfg_attr(test, feature(test))]

src/librustc_back/lib.rs

@@ -46,7 +46,6 @@
 #![feature(path_ext)]
 #![feature(std_misc)]
 #![feature(step_by)]
-#![feature(convert)]
 #![cfg_attr(test, feature(test, rand))]
 
 extern crate syntax;

src/librustc_driver/lib.rs

@@ -38,7 +38,6 @@
 #![feature(io)]
 #![feature(set_stdio)]
 #![feature(unicode)]
-#![feature(convert)]
 
 extern crate arena;
 extern crate flate;

src/librustc_trans/lib.rs

@@ -39,7 +39,6 @@
 #![feature(unicode)]
 #![feature(path_ext)]
 #![feature(fs)]
-#![feature(convert)]
 #![feature(path_relative_from)]
 
 #![allow(trivial_casts)]

src/librustdoc/lib.rs

@@ -36,7 +36,6 @@
 #![feature(file_path)]
 #![feature(path_ext)]
 #![feature(path_relative_from)]
-#![feature(convert)]
 #![feature(slice_patterns)]
 
 extern crate arena;

src/libserialize/lib.rs

@@ -36,7 +36,6 @@ Core encoding and decoding interfaces.
 #![feature(std_misc)]
 #![feature(unicode)]
 #![feature(str_char)]
-#![feature(convert)]
 #![cfg_attr(test, feature(test, old_io))]
 
 // test harness access

src/libstd/dynamic_lib.rs

@@ -190,7 +190,6 @@ mod dl {
  use ffi::{CStr, OsStr};
  use str;
  use libc;
- use os::unix::prelude::*;
  use ptr;
 
  pub fn open(filename: Option<&OsStr>) -> Result<*mut u8, String> {

src/libstd/env.rs

@@ -327,7 +327,6 @@ pub struct JoinPathsError {
 /// # Examples
 ///
 /// ```
-/// # #![feature(convert)]
 /// use std::env;
 /// use std::path::PathBuf;
 ///