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Add an implementation of Zeroable for Unique<T> #21706

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Merged
alexcrichton merged 1 commit into from
Jan 31, 2015
Merged

Add an implementation of Zeroable for Unique<T> #21706

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2 changes: 2 additions & 0 deletions src/libcore/nonzero.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,12 +11,14 @@
//! Exposes the NonZero lang item which provides optimization hints.

use ops::Deref;
use ptr::Unique;

/// Unsafe trait to indicate what types are usable with the NonZero struct
pub unsafe trait Zeroable {}

unsafe impl<T> Zeroable for *const T {}
unsafe impl<T> Zeroable for *mut T {}
unsafe impl<T> Zeroable for Unique<T> { }
unsafe impl Zeroable for int {}
unsafe impl Zeroable for uint {}
unsafe impl Zeroable for i8 {}
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