DerefMut should be for Sized?

2014-12-04 03:10:58 -06:00 · 2014-12-04 03:10:58 -06:00 · cddbb6a75b
commit cddbb6a75b
parent 3c89031e1f
1 changed files with 1 additions and 1 deletions
--- a/src/libcore/ops.rs
+++ b/src/libcore/ops.rs
@ -787,7 +787,7 @@ impl<'a, Sized? T> Deref<T> for &'a mut T {
 /// }
 /// ```
 #[lang="deref_mut"]
-pub trait DerefMut<Sized? Result>: Deref<Result> {
+pub trait DerefMut<Sized? Result> for Sized? : Deref<Result> {
    /// The method called to mutably dereference a value
    fn deref_mut<'a>(&'a mut self) -> &'a mut Result;
 }