maybeWhen<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. TResult $default(
    1. Asset? asset,
    2. @TimestampOrNullConverter() DateTime? inTransitAt,
    3. @TimestampOrNullConverter() DateTime? waitingToDispatchAt,
    4. @TimestampOrNullConverter() DateTime? deliveredAt,
    5. @TimestampOrNullConverter() DateTime? unloadingOperationAt,
    6. @TimestampOrNullConverter() DateTime? readyToOperateAt,
    7. @TimestampOrNullConverter() DateTime? eta,
    )?, {
  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( Asset? asset, @TimestampOrNullConverter()  DateTime? inTransitAt, @TimestampOrNullConverter()  DateTime? waitingToDispatchAt, @TimestampOrNullConverter()  DateTime? deliveredAt, @TimestampOrNullConverter()  DateTime? unloadingOperationAt, @TimestampOrNullConverter()  DateTime? readyToOperateAt, @TimestampOrNullConverter()  DateTime? eta)?  $default,{required TResult orElse(),}) {final _that = this;
switch (_that) {
case _AtsOperationStatuses() when $default != null:
return $default(_that.asset,_that.inTransitAt,_that.waitingToDispatchAt,_that.deliveredAt,_that.unloadingOperationAt,_that.readyToOperateAt,_that.eta);case _:
  return orElse();

}
}