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DerefMut should be for Sized? #19520

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Merged
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Dec 5, 2014
Merged

DerefMut should be for Sized? #19520

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2 changes: 1 addition & 1 deletion src/libcore/ops.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
}
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