when<TResult extends Object?> method
- @optionalTypeArgs
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? name, @JsonKey(name: "address_line1") String? addressLine1, @JsonKey(name: "address_line2") String? addressLine2, @JsonKey(name: "address_city") String? addressCity, @JsonKey(name: "address_state") String? addressState, @JsonKey(name: "address_zip") String? addressZip, @JsonKey(name: "address_country") String? addressCountry, @JsonKey(name: "currency") String? currency) $default,) {final _that = this;
switch (_that) {
case _CreateTokenCardData():
return $default(_that.name,_that.addressLine1,_that.addressLine2,_that.addressCity,_that.addressState,_that.addressZip,_that.addressCountry,_that.currency);case _:
throw StateError('Unexpected subclass');
}
}