Change order of find_child_recursive parameters

Author: nicoburns

src/tree/taffy_tree/tree.rs

@@ -97,12 +97,12 @@ impl<'a> Iterator for RefCellVecIter<'a> {
 
 /// Iterates over children, checking the Display type of the node
 /// If the node is `Display::Contents`, then we recurse it's children, else we simply push the `NodeId` into the list
-fn find_children_recursive(out: &mut Vec<NodeId>, tree: &Taffy, node: NodeId) {
+fn find_children_recursive(tree: &Taffy, node: NodeId, out: &mut Vec<NodeId>) {
     for child_id in tree.children[node.into()].iter() {
         let child_key: DefaultKey = (*child_id).into();
         let display = tree.nodes[child_key].style.display;
         match display {
-            Display::Contents => find_children_recursive(out, tree, *child_id),
+            Display::Contents => find_children_recursive(tree, *child_id, out),
             _ => out.push(*child_id),
         }
     }
@@ -120,7 +120,7 @@ impl LayoutTree for Taffy {
         if cache.node_id != node {
             cache.node_id = node;
             cache.children.clear();
-            find_children_recursive(&mut cache.children, self, node);
+            find_children_recursive(self, node, &mut cache.children);
         }
 
         // In all cases, return a reference into the cache