Auto merge of #29480 - apasel422:coerce-unique, r=alexcrichton

bors · bors · commit ee88e04e77f3 · 2015-10-31T01:58:51.000Z
Closes rust-lang/rfcs#1343.
diff --git a/src/libcore/ptr.rs b/src/libcore/ptr.rs
@@ -534,6 +534,10 @@ impl<T: ?Sized> Unique<T> {
     }
 }
 
+#[cfg(not(stage0))] // remove cfg after new snapshot
+#[unstable(feature = "unique", issue = "27730")]
+impl<T: ?Sized, U: ?Sized> CoerceUnsized<Unique<U>> for Unique<T> where T: Unsize<U> { }
+
 #[unstable(feature = "unique", issue= "27730")]
 impl<T:?Sized> Deref for Unique<T> {
     type Target = *mut T;

Original file line number	Diff line number	Diff line change
`@@ -534,6 +534,10 @@ impl<T: ?Sized> Unique<T> {`
`534`	`534`	`}`
`535`	`535`	`}`
`536`	`536`
	`537`	`+#[cfg(not(stage0))] // remove cfg after new snapshot`
	`538`	`+#[unstable(feature = "unique", issue = "27730")]`
	`539`	`+impl<T: ?Sized, U: ?Sized> CoerceUnsized<Unique<U>> for Unique<T> where T: Unsize<U> { }`
	`540`	`+`
`537`	`541`	`#[unstable(feature = "unique", issue= "27730")]`
`538`	`542`	`impl<T:?Sized> Deref for Unique<T> {`
`539`	`543`	`type Target = *mut T;`