| // Copyright (c) 2013, 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. |
| |
| // Test that mixins don't interfere with type variable substitution. |
| |
| import 'checked_mode_helper.dart'; |
| |
| class B<T> { |
| B(T x); |
| } |
| |
| class M {} |
| |
| class A<T> extends B<T> with M { |
| A(T x) : super(x); // This line must be warning free. |
| } |
| |
| class C<T> = B<T> with M; |
| |
| main() { |
| new A(null); |
| new C<String>(''); //# 01: ok |
| checkDynamicTypeError(() => new C<String>(0)); //# 02: static type warning |
| } |
