| // Copyright (c) 2021, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| /// @assertion We propose the following to also be allowed: |
| /// |
| /// enum Name<T> with Mixin1, Mixin2 implements Interface1, Interface2 { |
| /// id1<int>(args1), id2<String>(args2), id3<bool>(args3); |
| /// memberDeclaration* |
| /// const Name(params) : initList; |
| /// } |
| /// where memberDeclaration* is any sequence of static and instance member |
| /// declarations and/or an unnamed generative const constructor declaration. |
| /// ... |
| /// The superclass of the mixin applications is the Enum class (which has an |
| /// abstract index getter, so the only valid super invocations are those valid |
| /// on Object). |
| /// |
| /// @description Check that enum can be declared with the mixins |
| /// @author sgrekhov@unipro.ru |
| |
| // SharedOptions=--enable-experiment=enhanced-enums |
| |
| import "../../Utils/expect.dart"; |
| |
| mixin M on Enum { |
| int mixedInMethod() => 42; |
| } |
| |
| enum E with M { |
| e1, |
| e2, |
| e3 |
| } |
| |
| main() { |
| E e = E.e1; |
| Expect.equals(42, e.mixedInMethod()); |
| } |
