| // Copyright (c) 2021, 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. | |
| import 'package:expect/expect.dart'; | |
| class A {} | |
| class B extends A {} | |
| class Foo<T> {} | |
| T cast<T>(dynamic x) => x as T; | |
| void test(Foo<A> Function(dynamic) f) { | |
| var foo = Foo<B>(); | |
| Expect.identical(foo, f(foo)); | |
| } | |
| void main() { | |
| test(cast); | |
| } |