libcollections: Vec<T> + &[T]

diff --git a/src/libcollections/vec.rs b/src/libcollections/vec.rs
index 2ed8686394c01d4aeebe65edb10d2a8b328ae007..56cfa19e887ad8861f82cbe9da8c66c007a51ebb 100644 (file)
--- a/src/libcollections/vec.rs
+++ b/src/libcollections/vec.rs
@@ -1273,6 +1273,8 @@ fn as_slice<'a>(&'a self) -> &'a [T] {
     }
 }
 
+// NOTE(stage0): Remove impl after a snapshot
+#[cfg(stage0)]
 impl<T: Clone, Sized? V: AsSlice<T>> Add<V, Vec<T>> for Vec<T> {
     #[inline]
     fn add(&self, rhs: &V) -> Vec<T> {
@@ -1283,6 +1285,16 @@ fn add(&self, rhs: &V) -> Vec<T> {
     }
 }
 
+
+#[cfg(not(stage0))]  // NOTE(stage0): Remove impl after a snapshot
+impl<'a, T: Clone> Add<&'a [T], Vec<T>> for Vec<T> {
+    #[inline]
+    fn add(mut self, rhs: &[T]) -> Vec<T> {
+        self.push_all(rhs);
+        self
+    }
+}
+
 #[unsafe_destructor]
 impl<T> Drop for Vec<T> {
     fn drop(&mut self) {