1 files changed, 3 insertions, 1 deletions
diff --git a/src/libstd/task.rs b/src/libstd/task.rs
index c91417e611e..5a1a5b4fb7a 100644
--- a/src/libstd/task.rs
+++ b/src/libstd/task.rs
@@ -381,7 +381,9 @@ mod test {
         rx.recv();
     }
 
-    fn avoid_copying_the_body(spawnfn: |v: proc():Send|) {
+    fn avoid_copying_the_body<F>(spawnfn: F) where
+        F: FnOnce(proc():Send),
+    {
         let (tx, rx) = channel::<uint>();
 
         let x = box 1;