maybeWhen<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. TResult $default(
    1. String key,
    2. String title,
    3. String? description,
    4. List<int>? covers,
    5. List<String>? subjectPlaces,
    6. List<String>? subjects,
    7. List<String>? subjectPeople,
    8. List<WorkAuthor>? authors,
    )?, {
  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( String key,  String title,  String? description, @JsonKey(name: 'covers')  List<int>? covers, @JsonKey(name: 'subject_places')  List<String>? subjectPlaces, @JsonKey(name: 'subjects')  List<String>? subjects, @JsonKey(name: 'subject_people')  List<String>? subjectPeople, @JsonKey(name: 'authors')  List<WorkAuthor>? authors)?  $default,{required TResult orElse(),}) {final _that = this;
switch (_that) {
case _Work() when $default != null:
return $default(_that.key,_that.title,_that.description,_that.covers,_that.subjectPlaces,_that.subjects,_that.subjectPeople,_that.authors);case _:
  return orElse();

}
}