| // Copyright (c) 2022, 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. |
| |
| class A extends Enum { // Error. |
| int get foo => index; |
| } |
| |
| class B implements Enum { // Error. |
| int get foo => index; |
| } |
| |
| abstract class EnumInterface implements Enum {} |
| |
| class EnumClass extends EnumInterface { // Error. |
| int get index => 0; // Error |
| } |
| |
| abstract class AbstractEnumClass extends EnumInterface {} |
| |
| class EnumClass2 extends AbstractEnumClass {} // Error. |
| |
| mixin EnumMixin on Enum {} |
| |
| abstract class AbstractEnumClass2 with EnumMixin {} |
| |
| class EnumClass3 extends AbstractEnumClass2 {} // Error. |
| |
| main() {} |