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future_move: simplify index_map extension

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Simon Gardling
2025-04-03 14:16:11 -04:00
parent eab35de50a
commit 18213278fd
1 changed files with 2 additions and 4 deletions
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6
src/logic/future_moves.rs
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@@ -542,12 +542,10 @@ impl FutureMoves {
.filter(|&((_, keep), _)| keep) // filter out un-related nodes .filter(|&((_, keep), _)| keep) // filter out un-related nodes
.map(|((old_idx, _), node)| (old_idx, node)) .map(|((old_idx, _), node)| (old_idx, node))
.enumerate() // new_idx .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(); .unzip();
for (new_idx, old_idx) in indexes { index_map.extend(indexes);
index_map.insert(old_idx, new_idx);
}
self.arena = moves self.arena = moves
.into_iter() .into_iter()