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libcore: Fix Sized bounds on overloaded function traits. #19573

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libcore: Fix Sized bounds on overloaded function traits. #19573

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4 changes: 2 additions & 2 deletions src/libcore/ops.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -812,12 +812,12 @@ pub trait FnMut<Args,Result> for Sized? {

/// A version of the call operator that takes a by-value receiver.
#[lang="fn_once"]
pub trait FnOnce<Args,Result> for Sized? {
pub trait FnOnce<Args,Result> {
/// This is called when the call operator is used.
extern "rust-call" fn call_once(self, args: Args) -> Result;
}

impl<F,A,R> FnMut<A,R> for F
impl<Sized? F,A,R> FnMut<A,R> for F
where F : Fn<A,R>
{
extern "rust-call" fn call_mut(&mut self, args: A) -> R {
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