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How to use the @collectable/red-black-tree.remove function in @collectable/red-black-tree

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frptools / collectable / packages / sorted-set / src / internals / assignment.ts View on Github

export function unsetItem (value: T, map: ValueMap, tree: Sorted): boolean {
  var entry: SortedSetItem|undefined;

  update(arg =&gt; {
    if(isDefined(arg)) entry = arg;
    return void 0;
  }, value, map);

  if(isDefined(entry)) {
    remove(entry, tree);
    return true;
  }

  return false;
}