Rewrite `Unique<T>` so that it is covariant in T, implies `NonZero` and ownership,

and also follows the API of `NonZero` a bit more closely. More to do
here I think (including perhaps a new name).

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libcoretest/ptr.rs b/src/libcoretest/ptr.rs
index 9c2e242c105..57456bfb1a7 100644
--- a/src/libcoretest/ptr.rs
+++ b/src/libcoretest/ptr.rs
@@ -171,8 +171,8 @@ fn test_set_memory() {
 #[test]
 fn test_unsized_unique() {
     let xs: &mut [_] = &mut [1, 2, 3];
-    let ptr = Unique(xs as *mut [_]);
-    let ys = unsafe { &mut *ptr.ptr };
+    let ptr = unsafe { Unique::new(xs as *mut [_]) };
+    let ys = unsafe { &mut **ptr };
     let zs: &mut [_] = &mut [1, 2, 3];
     assert!(ys == zs);
 }