when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>(
  1. TResult $default(
    1. String id,
    2. String? name,
    3. String? start,
    4. String? prefix,
    5. String? key,
    6. String? userId,
    7. bool enabled,
    8. int? remaining,
    9. int? refillAmount,
    10. int? refillInterval,
    11. bool? rateLimitEnabled,
    12. int? rateLimitMax,
    13. int? rateLimitTimeWindow,
    14. int? requestCount,
    15. DateTime? lastRequest,
    16. DateTime? expiresAt,
    17. DateTime? createdAt,
    18. DateTime? updatedAt,
    19. Map<String, dynamic>? metadata,
    )
)

A switch-like method, using callbacks.

As opposed to map, this offers destructuring. It is equivalent to doing:

switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case Subclass2(:final field2):
    return ...;
}

Implementation

@optionalTypeArgs TResult when<TResult extends Object?>(TResult Function( String id,  String? name,  String? start,  String? prefix,  String? key,  String? userId,  bool enabled,  int? remaining,  int? refillAmount,  int? refillInterval,  bool? rateLimitEnabled,  int? rateLimitMax,  int? rateLimitTimeWindow,  int? requestCount,  DateTime? lastRequest,  DateTime? expiresAt,  DateTime? createdAt,  DateTime? updatedAt,  Map<String, dynamic>? metadata)  $default,) {final _that = this;
switch (_that) {
case _ApiKey():
return $default(_that.id,_that.name,_that.start,_that.prefix,_that.key,_that.userId,_that.enabled,_that.remaining,_that.refillAmount,_that.refillInterval,_that.rateLimitEnabled,_that.rateLimitMax,_that.rateLimitTimeWindow,_that.requestCount,_that.lastRequest,_that.expiresAt,_that.createdAt,_that.updatedAt,_that.metadata);case _:
  throw StateError('Unexpected subclass');

}
}