Fix warning: Use iterator.min_by_key instead of iterator.min_by

servo · bors-servo · Dec 11, 2015 · Dec 10, 2015 · Dec 10, 2015 · eff54f304e112e35e4c1c5322e1aee71389b73c5
commit eff54f304e112e35e4c1c5322e1aee71389b73c5
diff --git a/components/compositing/surface_map.rs b/components/compositing/surface_map.rs
@@ -111,7 +111,7 @@ impl SurfaceMap {
             let old_key = match opt_key {
                 Some(key) => key,
                 None => {
-                    match self.map.iter().min_by(|&(_, x)| x.last_action) {
+                    match self.map.iter().min_by_key(|&(_, x)| x.last_action) {
                         Some((k, _)) => *k,
                         None => panic!("SurfaceMap: tried to delete with no elements in map"),
                     }