remove method

@override bool remove(Object? key, V? value)

Removes the association between the given key and value. Returns true if the association existed, false otherwise.

Implementation

@override
bool remove(Object? key, V? value) {
  if (!_map.containsKey(key)) return false;
  bool removed = _remove(_map[key]!, value);
  if (removed && _map[key]!.isEmpty) _map.remove(key);
  return removed;
}