future_move: simplify index_map extension

2025-04-03 14:16:11 -04:00
parent eab35de50a
commit 18213278fd
1 changed files with 2 additions and 4 deletions
--- a/src/logic/future_moves.rs
+++ b/src/logic/future_moves.rs
@@ -542,12 +542,10 @@ impl FutureMoves {
            .filter(|&((_, keep), _)| keep) // filter out un-related nodes
            .map(|((old_idx, _), node)| (old_idx, node))
            .enumerate() // new_idx
-            .map(|(new_idx, (old_idx, node))| ((new_idx, old_idx), node))
+            .map(|(new_idx, (old_idx, node))| ((old_idx, new_idx), node))
            .unzip();

-        for (new_idx, old_idx) in indexes {
-            index_map.insert(old_idx, new_idx);
-        }
+        index_map.extend(indexes);

        self.arena = moves
            .into_iter()