whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. String $type,
    2. int id,
    3. String name,
    4. @QueueViewSubjectTypesConverter() List<QueueViewSubjectTypes> subjectTypes,
    5. String? collection,
    6. List<String> reportTypes,
    7. String? description,
    8. String createdBy,
    9. DateTime createdAt,
    10. DateTime updatedAt,
    11. bool enabled,
    12. DateTime? deletedAt,
    13. @QueueStatsConverter() QueueStats stats,
    14. 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,  String name, @QueueViewSubjectTypesConverter()  List<QueueViewSubjectTypes> subjectTypes,  String? collection,  List<String> reportTypes,  String? description,  String createdBy,  DateTime createdAt,  DateTime updatedAt,  bool enabled,  DateTime? deletedAt, @QueueStatsConverter()  QueueStats stats,  Map<String, dynamic>? $unknown)?  $default,) {final _that = this;
switch (_that) {
case _QueueView() when $default != null:
return $default(_that.$type,_that.id,_that.name,_that.subjectTypes,_that.collection,_that.reportTypes,_that.description,_that.createdBy,_that.createdAt,_that.updatedAt,_that.enabled,_that.deletedAt,_that.stats,_that.$unknown);case _:
  return null;

}
}