css, gfx, sub: Eliminate many copies

1 files changed, 2 insertions, 2 deletions

diff --git a/src/servo/css/select_handler.rs b/src/servo/css/select_handler.rs
index 179b7cc9501..ed35938ed59 100644
--- a/src/servo/css/select_handler.rs
+++ b/src/servo/css/select_handler.rs
@@ -71,10 +71,10 @@ impl NodeSelectHandler: SelectHandler<Node> {
         self.parent_node(node).is_none()
     }
 
-    fn node_id(node: &Node) -> Option<~str> {
+    fn with_node_id<R>(node: &Node, f: &fn(Option<&str>) -> R) -> R {
         do node.read |data| {
             match *data.kind {
-                Element(ref data) => data.get_attr("id"),
+                Element(ref data) => data.with_attr("id", f),
                 _ => fail ~"attempting to style non-element node"
             }
         }