whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. String $type,
    2. int id,
    3. ScheduledActionViewAction action,
    4. Map<String, dynamic>? eventData,
    5. String did,
    6. DateTime? executeAt,
    7. DateTime? executeAfter,
    8. DateTime? executeUntil,
    9. bool? randomizeExecution,
    10. String createdBy,
    11. DateTime createdAt,
    12. DateTime? updatedAt,
    13. ScheduledActionViewStatus status,
    14. DateTime? lastExecutedAt,
    15. String? lastFailureReason,
    16. int? executionEventId,
    17. Map<String, dynamic>? $unknown,
    )?
)

A variant of when that fallback to returning null

It is equivalent to doing:

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

Implementation

@optionalTypeArgs TResult? whenOrNull<TResult extends Object?>(TResult? Function( String $type,  int id, @ScheduledActionViewActionConverter()  ScheduledActionViewAction action,  Map<String, dynamic>? eventData,  String did,  DateTime? executeAt,  DateTime? executeAfter,  DateTime? executeUntil,  bool? randomizeExecution,  String createdBy,  DateTime createdAt,  DateTime? updatedAt, @ScheduledActionViewStatusConverter()  ScheduledActionViewStatus status,  DateTime? lastExecutedAt,  String? lastFailureReason,  int? executionEventId,  Map<String, dynamic>? $unknown)?  $default,) {final _that = this;
switch (_that) {
case _ScheduledActionView() when $default != null:
return $default(_that.$type,_that.id,_that.action,_that.eventData,_that.did,_that.executeAt,_that.executeAfter,_that.executeUntil,_that.randomizeExecution,_that.createdBy,_that.createdAt,_that.updatedAt,_that.status,_that.lastExecutedAt,_that.lastFailureReason,_that.executionEventId,_that.$unknown);case _:
  return null;

}
}