alloc: impl fmt::Pointer for Rc, Arc and Box

Closes #24091
2015-04-07 00:40:22 -07:00
parent b2e65ee6e4
commit a329a61b9b
6 changed files with 67 additions and 0 deletions
--- a/src/liballoc/arc.rs
+++ b/src/liballoc/arc.rs
@@ -668,6 +668,13 @@ impl<T: fmt::Debug> fmt::Debug for Arc<T> {
    }
 }

+#[stable(feature = "rust1", since = "1.0.0")]
+impl<T> fmt::Pointer for Arc<T> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Pointer::fmt(&*self._ptr, f)
+    }
+}
+
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T: Default + Sync + Send> Default for Arc<T> {
    #[stable(feature = "rust1", since = "1.0.0")]