call method

void call(T argument)

Implementation

void call(T argument) {
  final int length = _callbacks.length;
  if (length == 1) {
    _callbacks[0].call(argument);
  } else if (length > 0) {
    for (ArgumentCallback<T> callback
        in List<ArgumentCallback<T>>.from(_callbacks)) {
      callback(argument);
    }
  }
}