maybeWhen<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. TResult $default(
    1. String $type,
    2. String id,
    3. String name,
    4. String? subject,
    5. String contentMarkdown,
    6. bool disabled,
    7. String? lang,
    8. String lastUpdatedBy,
    9. DateTime createdAt,
    10. DateTime updatedAt,
    11. Map<String, dynamic>? $unknown,
    )?, {
  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 $type,  String id,  String name,  String? subject,  String contentMarkdown,  bool disabled,  String? lang,  String lastUpdatedBy,  DateTime createdAt,  DateTime updatedAt,  Map<String, dynamic>? $unknown)?  $default,{required TResult orElse(),}) {final _that = this;
switch (_that) {
case _TemplateView() when $default != null:
return $default(_that.$type,_that.id,_that.name,_that.subject,_that.contentMarkdown,_that.disabled,_that.lang,_that.lastUpdatedBy,_that.createdAt,_that.updatedAt,_that.$unknown);case _:
  return orElse();

}
}