opt method

TTLinkOptions opt([
  1. TTLinkOptions? options
])

Change the configuration of this link

@param options @returns current options

Implementation

TTLinkOptions opt([TTLinkOptions? options]) {
  if (!isNull(options)) {
    _opt = options!;
  }
  if (!isNull(_parent)) {
    return _opt;
  }
  return _opt;
}