method clear


void clear()

Removes all pairs from the map.

After this, the map is empty.

Source

void clear() {
  int len = _map.length;
  if (hasObservers && len > 0) {
    _map.forEach((key, value) {
      notifyChange(new MapChangeRecord.remove(key, value));
    });
    notifyPropertyChange(#length, len, 0);
    _notifyKeysValuesChanged();
  }
  _map.clear();
}