bjoernager/rust
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Auto merge of #31479 - kamalmarhubi:fmt-pointer-unsized, r=alexcrichton

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This allows printing pointers to unsized types with the {:p} formatting
directive. The following impls are extended to unsized types:
 - impl<'a, T: ?Sized> Pointer for &'a T
 - impl<'a, T: ?Sized> Pointer for &'a mut T
 - impl<T: ?Sized> Pointer for *const T
 - impl<T: ?Sized> Pointer for *mut T
 - impl<T: ?Sized> fmt::Pointer for Box<T>
 - impl<T: ?Sized> fmt::Pointer for Rc<T>
 - impl<T: ?Sized> fmt::Pointer for Arc<T>
This commit is contained in:
bors 2016-02-11 01:54:15 +00:00
commit 106070b905
5 changed files with 16 additions and 8 deletions
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2
src/liballoc/arc.rs
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@ -879,7 +879,7 @@ impl<T: ?Sized + fmt::Debug> fmt::Debug for Arc<T> {
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<T> fmt::Pointer for Arc<T> {
impl<T: ?Sized> fmt::Pointer for Arc<T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
fmt::Pointer::fmt(&*self._ptr, f)
}