| // Copyright (c) 2017, 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. |
| |
| /*@testedFeatures=checks*/ |
| library test; |
| |
| abstract class A { |
| void set x(covariant Object /*@covariance=explicit*/ value); |
| } |
| |
| class B implements A { |
| void f(covariant Object /*@covariance=explicit*/ x) {} |
| Object /*@covariance=explicit*/ x; // covariant |
| } |
| |
| class C<T> implements B { |
| void f(T /*@covariance=explicit*/ x) {} |
| T /*@covariance=explicit*/ x; |
| } |
| |
| main() {} |