---

yaml
---
r: 149626
b: refs/heads/try2
c: 4da6d04
h: refs/heads/master
v: v3

Author: brunoabinader

[refs]

@@ -5,7 +5,7 @@ refs/heads/snap-stage3: 78a7676898d9f80ab540c6df5d4c9ce35bb50463
 refs/heads/try: 519addf6277dbafccbb4159db4b710c37eaa2ec5
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
-refs/heads/try2: 1c27c90119b7e55ce160f39543874b166db7eae6
+refs/heads/try2: 4da6d041c268d58654d54b317288c940e5c623fd
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try2/src/libcollections/list.rs

@@ -105,15 +105,12 @@ impl<T:'static + Clone> List<T> {
             }
         }
     }
-}
 
-/*
-/// Push one element into the front of a list, returning a new list
-/// THIS VERSION DOESN'T ACTUALLY WORK
-fn push<T:Clone>(ll: &mut @list<T>, vv: T) {
-    ll = &mut @cons(vv, *ll)
+    /// Push one element into the front of a list, returning a new list
+    pub fn unshift(&self, element: T) -> List<T> {
+        Cons(element, @(self.clone()))
+    }
 }
-*/
 
 #[cfg(test)]
 mod tests {
@@ -228,4 +225,13 @@ mod tests {
         assert_eq!(List::from_vec([1, 2, 3, 4]),
                    List::from_vec([1, 2]).append(List::from_vec([3, 4])));
     }
+
+    #[test]
+    fn test_unshift() {
+        let list = List::from_vec([1]);
+        let new_list = list.unshift(0);
+        assert_eq!(list.len(), 1u);
+        assert_eq!(new_list.len(), 2u);
+        assert_eq!(new_list, List::from_vec([0, 1]));
+    }
 }