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 description, Map<String, Header>? headers, Map<String, MediaType>? content, Map<String, Link>? links, @JsonKey(name: '\$ref')@_ResponseRefConverter() String? ref) $default,) {final _that = this;
switch (_that) {
case _Response():
return $default(_that.description,_that.headers,_that.content,_that.links,_that.ref);case _:
throw StateError('Unexpected subclass');
}
}