| // Copyright (c) 2016, 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. |
| |
| /// @assertion A function type T may be assigned to a function type S, written |
| /// T ⇐⇒ S, iff T <: S. |
| /// @description Checks that a function type T may be assigned to a function type |
| /// S, iff T <: S. |
| /// @compile-error |
| /// @author ngl@unipro.ru |
| |
| class A {} |
| class B extends A {} |
| class C extends B {} |
| |
| class X {} |
| |
| typedef B t1(B b); |
| |
| main() { |
| t1 x1c = (C x) => new B(); |
| } |
