| // 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. | |
| // Test that type parameters in generic methods can be shadowed. | |
| library generic_methods_shadowing_test; | |
| import "package:expect/expect.dart"; | |
| class X {} | |
| class Y {} | |
| bool foo<T, S>(T t, S s) { | |
| // The type parameter T of bar shadows the type parameter T of foo. | |
| bool bar<T>(T t) { | |
| return t is T && t is S; | |
| } | |
| return bar<S>(s); | |
| } | |
| main() { | |
| Expect.isTrue(foo<X, Y>(new X(), new Y())); | |
| } |