| // 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; |
| |
| typedef void F<T>(T t); |
| |
| class B<T> { |
| void f(F<T> x, int y) {} |
| } |
| |
| abstract class I<T> { |
| void f(F<T> x, Object y); |
| } |
| |
| class |
| /*@forwardingStub=void f(covariance=(genericImpl) ((C::T) -> void) -> void x, covariance=() Object y)*/ |
| C<T> extends B<F<T>> implements I<F<T>> {} |
| |
| void main() {} |
