whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. String? description,
    2. String? moneyFormat,
    3. String? name,
    4. PaymentSettings? paymentSettings,
    5. PrimaryDomain? primaryDomain,
    6. PrivacyPolicy? privacyPolicy,
    7. RefundPolicy? refundPolicy,
    8. ShippingPolicy? shippingPolicy,
    9. SubscriptionPolicy? subscriptionPolicy,
    10. List<String>? shipsToCountries,
    11. TermsOfService? termsOfService,
    )?
)

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? description,  String? moneyFormat,  String? name,  PaymentSettings? paymentSettings,  PrimaryDomain? primaryDomain,  PrivacyPolicy? privacyPolicy,  RefundPolicy? refundPolicy,  ShippingPolicy? shippingPolicy,  SubscriptionPolicy? subscriptionPolicy,  List<String>? shipsToCountries,  TermsOfService? termsOfService)?  $default,) {final _that = this;
switch (_that) {
case _Shop() when $default != null:
return $default(_that.description,_that.moneyFormat,_that.name,_that.paymentSettings,_that.primaryDomain,_that.privacyPolicy,_that.refundPolicy,_that.shippingPolicy,_that.subscriptionPolicy,_that.shipsToCountries,_that.termsOfService);case _:
  return null;

}
}