maybeWhen<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. TResult $default(
    1. XrayInt32Range? rand,
    2. XrayInt32Range? randRange,
    3. String? type,
    4. Object? packet,
    5. XrayInt32Range? delay,
    )?, {
  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(XrayInt32Range? rand, XrayInt32Range? randRange,
          String? type, Object? packet, XrayInt32Range? delay)?
      $default, {
  required TResult orElse(),
}) {
  final _that = this;
  switch (_that) {
    case _NoiseItem() when $default != null:
      return $default(
          _that.rand, _that.randRange, _that.type, _that.packet, _that.delay);
    case _:
      return orElse();
  }
}