about summary refs log tree commit diff
path: root/src/libcollections/binary_heap.rs
diff options
context:
space:
mode:
authorJohannes Oertel <johannes.oertel@uni-due.de>2015-06-03 12:38:42 +0200
committerJohannes Oertel <johannes.oertel@uni-due.de>2015-06-08 12:05:33 +0200
commitb36ed7d2edf68453c0344eb3cd55281e48c96ecb (patch)
treee1bda74459df66821d1182fb397048f24e3829fa /src/libcollections/binary_heap.rs
parenta5979be9fefe671fa81ec70720234602f8112bec (diff)
downloadrust-b36ed7d2edf68453c0344eb3cd55281e48c96ecb.tar.gz
rust-b36ed7d2edf68453c0344eb3cd55281e48c96ecb.zip
Implement RFC 839
Closes #25976.
Diffstat (limited to 'src/libcollections/binary_heap.rs')
-rw-r--r--src/libcollections/binary_heap.rs7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/libcollections/binary_heap.rs b/src/libcollections/binary_heap.rs
index 00e4002f82f..97bdd8e6a6e 100644
--- a/src/libcollections/binary_heap.rs
+++ b/src/libcollections/binary_heap.rs
@@ -760,3 +760,10 @@ impl<T: Ord> Extend<T> for BinaryHeap<T> {
         }
     }
 }
+
+#[stable(feature = "extend_ref", since = "1.2.0")]
+impl<'a, T: 'a + Ord + Copy> Extend<&'a T> for BinaryHeap<T> {
+    fn extend<I: IntoIterator<Item=&'a T>>(&mut self, iter: I) {
+        self.extend(iter.into_iter().cloned());
+    }
+}