diff options
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/io/util.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libstd/io/util.rs b/src/libstd/io/util.rs index e20f249d3ea..45d281ee34a 100644 --- a/src/libstd/io/util.rs +++ b/src/libstd/io/util.rs @@ -40,9 +40,10 @@ use mem; /// /// io::copy(&mut reader, &mut writer)?; /// -/// assert_eq!(reader, &writer[..]); +/// assert_eq!(&b"hello"[..], &writer[..]); /// # Ok(()) /// # } +/// # foo().unwrap(); /// ``` #[stable(feature = "rust1", since = "1.0.0")] pub fn copy<R: ?Sized, W: ?Sized>(reader: &mut R, writer: &mut W) -> io::Result<u64> |