Adjust AsRef impl for Cow

The existing impl had the too-strong requirement of `Clone`, when only
`ToOwned` was needed.
This commit is contained in:
Aaron Turon 2015-04-02 22:22:44 -07:00
parent 5e30f05a05
commit 6529872afc

View File

@ -342,7 +342,7 @@ fn into_cow(self) -> Cow<'a, B> {
} }
#[stable(feature = "rust1", since = "1.0.0")] #[stable(feature = "rust1", since = "1.0.0")]
impl<'a, T: Clone> AsRef<T> for Cow<'a, T> { impl<'a, T: ?Sized + ToOwned> AsRef<T> for Cow<'a, T> {
fn as_ref(&self) -> &T { fn as_ref(&self) -> &T {
self self
} }