| // 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())); |
| } |