when<TResult extends Object?> method
TResult
when<TResult extends Object?>(
- TResult $default(
- String? description,
- String? moneyFormat,
- String? name,
- PaymentSettings? paymentSettings,
- PrimaryDomain? primaryDomain,
- PrivacyPolicy? privacyPolicy,
- RefundPolicy? refundPolicy,
- ShippingPolicy? shippingPolicy,
- SubscriptionPolicy? subscriptionPolicy,
- List<
String> ? shipsToCountries, - TermsOfService? termsOfService,
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? 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():
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 _:
throw StateError('Unexpected subclass');
}
}