whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. String id,
    2. String? targetUserId,
    3. String? targetOrgId,
    4. String source,
    5. String? externalId,
    6. String plan,
    7. String status,
    8. DateTime? currentPeriodStart,
    9. DateTime? currentPeriodEnd,
    10. bool cancelAtPeriodEnd,
    11. int? seats,
    12. Map<String, dynamic> metadata,
    13. DateTime createdAt,
    14. DateTime updatedAt,
    )?
)

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 id,  String? targetUserId,  String? targetOrgId,  String source,  String? externalId,  String plan,  String status,  DateTime? currentPeriodStart,  DateTime? currentPeriodEnd,  bool cancelAtPeriodEnd,  int? seats,  Map<String, dynamic> metadata,  DateTime createdAt,  DateTime updatedAt)?  $default,) {final _that = this;
switch (_that) {
case _SubscriptionModel() when $default != null:
return $default(_that.id,_that.targetUserId,_that.targetOrgId,_that.source,_that.externalId,_that.plan,_that.status,_that.currentPeriodStart,_that.currentPeriodEnd,_that.cancelAtPeriodEnd,_that.seats,_that.metadata,_that.createdAt,_that.updatedAt);case _:
  return null;

}
}