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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/enum_set.rs
parenta5979be9fefe671fa81ec70720234602f8112bec (diff)
downloadrust-b36ed7d2edf68453c0344eb3cd55281e48c96ecb.tar.gz
rust-b36ed7d2edf68453c0344eb3cd55281e48c96ecb.zip
Implement RFC 839
Closes #25976.
Diffstat (limited to 'src/libcollections/enum_set.rs')
-rw-r--r--src/libcollections/enum_set.rs7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/libcollections/enum_set.rs b/src/libcollections/enum_set.rs
index e6cdb88d3e1..ad90f9f1caa 100644
--- a/src/libcollections/enum_set.rs
+++ b/src/libcollections/enum_set.rs
@@ -288,3 +288,10 @@ impl<E:CLike> Extend<E> for EnumSet<E> {
         }
     }
 }
+
+#[stable(feature = "extend_ref", since = "1.2.0")]
+impl<'a, E: 'a + CLike + Copy> Extend<&'a E> for EnumSet<E> {
+    fn extend<I: IntoIterator<Item=&'a E>>(&mut self, iter: I) {
+        self.extend(iter.into_iter().cloned());
+    }
+}