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Treap: do not set key to undefined in remove to allow re-use of removed nodes

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This commit is contained in:
Ryan Liptak 2023-10-02 23:07:28 -07:00
parent cf3572a66b
commit 95f4c1532a
2 changed files with 0 additions and 3 deletions
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2
lib/std/heap/general_purpose_allocator.zig
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@ -913,8 +913,6 @@ pub fn GeneralPurposeAllocator(comptime config: Config) type {
// save the node for destruction/insertion into in empty_buckets
var node = entry.node.?;
entry.set(null);
// restore the node's key since Treap.remove sets it to undefined
node.key = bucket;
if (self.cur_buckets[bucket_index] == bucket) {
self.cur_buckets[bucket_index] = null;
}

1
lib/std/treap.zig
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@ -225,7 +225,6 @@ pub fn Treap(comptime Key: type, comptime compareFn: anytype) type {
link.* = null;
// clean up after ourselves
node.key = undefined;
node.priority = 0;
node.parent = null;
node.children = [_]?*Node{ null, null };