when<TResult extends Object?> method
- @optionalTypeArgs
- TResult $default(
- Elements elements,
- String? clientSecret,
- ConfirmSetupParams confirmParams,
- SetupConfirmationRedirect? redirect,
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(@ElementsConverter() Elements elements, String? clientSecret, ConfirmSetupParams confirmParams, SetupConfirmationRedirect? redirect) $default,) {final _that = this;
switch (_that) {
case _ConfirmSetupOptions():
return $default(_that.elements,_that.clientSecret,_that.confirmParams,_that.redirect);case _:
throw StateError('Unexpected subclass');
}
}