Merge pull request #14 from epage/profile

Smooth out profiling process

Cargo.toml

@@ -43,3 +43,6 @@ harness = false
 [[bench]]
 name = "access"
 harness = false
+
+[profile.release]
+debug = 1

examples/bench.rs

@@ -0,0 +1,17 @@
+fn main() {
+    let mut args = std::env::args();
+    let _ = args.next();
+    let method = args.next().unwrap_or_else(|| String::from("from_ref"));
+    let sample = args.next().unwrap_or_else(|| String::from("0123456789"));
+    let count = args
+        .next()
+        .unwrap_or_else(|| String::from("10000000"))
+        .parse::<usize>()
+        .unwrap();
+    let method = match method.as_str() {
+        "from_ref" => |s| kstring::KString::from_ref(s),
+        "from_string" => |s| kstring::KString::from_string(String::from(s)),
+        _ => panic!("{:?} unsupported, try `from_ref`, `from_string`", method),
+    };
+    (0..count).map(|_| method(&sample)).last();
+}