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

Closes rust-lang/rfcs#1343.
rust-lang · Oct 31, 2015 · ee88e04 · ee88e04
2 parents 11ba81e + 04266da
commit ee88e04
Showing 1 changed file with 4 additions and 0 deletions.
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;