diff options
Diffstat (limited to 'src/libcollections/vec_deque.rs')
| -rw-r--r-- | src/libcollections/vec_deque.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/libcollections/vec_deque.rs b/src/libcollections/vec_deque.rs index 0bc42bd2c7e..88d0a96b78c 100644 --- a/src/libcollections/vec_deque.rs +++ b/src/libcollections/vec_deque.rs @@ -1785,6 +1785,13 @@ impl<A> Extend<A> for VecDeque<A> { } } +#[stable(feature = "extend_ref", since = "1.2.0")] +impl<'a, T: 'a + Copy> Extend<&'a T> for VecDeque<T> { + fn extend<I: IntoIterator<Item=&'a T>>(&mut self, iter: I) { + self.extend(iter.into_iter().cloned()); + } +} + #[stable(feature = "rust1", since = "1.0.0")] impl<T: fmt::Debug> fmt::Debug for VecDeque<T> { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |