| // 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. |
| |
| // @dart = 2.9 |
| |
| // Test that type parameters in generic methods can be used in as-expressions. |
| |
| library generic_methods_simple_as_expression_test; |
| |
| import "package:expect/expect.dart"; |
| |
| T cast<T>(dynamic obj) { |
| return obj as T; |
| } |
| |
| main() { |
| Expect.equals(cast<num>(42), 42); //# 01: ok |
| cast<String>(42); //# 02: runtime error |
| } |