maybeWhen<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. TResult $default(
    1. SocketConfig? sockopt,
    2. String? mode,
    3. XrayPortList? remotePorts,
    4. List<String>? remoteIPs,
    5. XrayInt32Range? interval,
    )?, {
  2. required TResult orElse(),
})

A variant of when that fallback to an orElse callback.

It is equivalent to doing:

switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case _:
    return orElse();
}

Implementation

@optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  TResult Function(
    SocketConfig? sockopt,
    String? mode,
    XrayPortList? remotePorts,
    List<String>? remoteIPs,
    XrayInt32Range? interval,
  )?
  $default, {
  required TResult orElse(),
}) {
  final _that = this;
  switch (_that) {
    case _UDPHop() when $default != null:
      return $default(
        _that.sockopt,
        _that.mode,
        _that.remotePorts,
        _that.remoteIPs,
        _that.interval,
      );
    case _:
      return orElse();
  }
}