std::io: Add Buffer.lines(), change .bytes() api

-   `Buffer.lines()` returns `LineIterator` which yields line using
    `.read_line()`.
-   `Reader.bytes()` now takes `&mut self` instead of `self`.
-   `Reader.read_until()` swallows `EndOfFile`. This also affects
    `.read_line()`.

1 files changed, 1 insertions, 2 deletions

diff --git a/src/test/bench/core-std.rs b/src/test/bench/core-std.rs
index c7036f8d9db..9be462f736b 100644
--- a/src/test/bench/core-std.rs
+++ b/src/test/bench/core-std.rs
@@ -77,8 +77,7 @@ fn read_line() {
 
     for _ in range(0, 3) {
         let mut reader = BufferedReader::new(File::open(&path).unwrap());
-        while !reader.eof() {
-            reader.read_line();
+        for _line in reader.lines() {
         }
     }
 }