| // Copyright (c) 2018, 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. |
| |
| mixin Mixin // cannot `extend` anything. |
| extends M //# 01: compile-time error |
| extends Object //# 02: compile-time error |
| {} |
| |
| // You cannot extend a mixin. |
| class Class // cannot extend a mixin |
| extends Mixin //# 03: compile-time error |
| {} |
| |
| void main() { |
| // Cannot instantiate a mixin. |
| new Mixin(); //# 04: compile-time error |
| new Class(); |
| } |
