maybeWhen<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. TResult $default(
    1. NotificationMessage message,
    2. DateTime timestamp,
    3. NotificationPlatform platform,
    4. NotificationState state,
    5. NotificationInteraction? interaction,
    6. Map<String, Object?> rawJson,
    )?, {
  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( NotificationMessage message,  DateTime timestamp,  NotificationPlatform platform,  NotificationState state,  NotificationInteraction? interaction,  Map<String, Object?> rawJson)?  $default,{required TResult orElse(),}) {final _that = this;
switch (_that) {
case _NotificationEvent() when $default != null:
return $default(_that.message,_that.timestamp,_that.platform,_that.state,_that.interaction,_that.rawJson);case _:
  return orElse();

}
}