1 files changed, 7 insertions, 1 deletions
diff --git a/src/libcore/vec.rs b/src/libcore/vec.rs
index f7676bd211e..ab5f04ace79 100644
--- a/src/libcore/vec.rs
+++ b/src/libcore/vec.rs
@@ -14,7 +14,7 @@
 
 use container::{Container, Mutable};
 use cast;
-use cmp::{Eq, Ord, TotalOrd, Ordering, Less, Equal, Greater};
+use cmp::{Eq, Equiv, Ord, TotalOrd, Ordering, Less, Equal, Greater};
 use iter::BaseIter;
 use iter;
 use kinds::Copy;
@@ -1572,6 +1572,12 @@ impl<T:Eq> Eq for @[T] {
     pure fn ne(&self, other: &@[T]) -> bool { !(*self).eq(other) }
 }
 
+#[cfg(notest)]
+impl<T:Eq> Equiv<~[T]> for &[T] {
+    #[inline(always)]
+    pure fn equiv(&self, other: &~[T]) -> bool { eq(*self, *other) }
+}
+
 // Lexicographical comparison
 
 pure fn cmp<T: TotalOrd>(a: &[T], b: &[T]) -> Ordering {