| /* |
| * Copyright (c) 2019, 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 class declaration, type alias, or function [G] may be generic, |
| * that is, [G] may have formal type parameters declared. |
| * @description @description Checks various correct type alias declarations. |
| * @author iarkh@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=nonfunction-type-aliases |
| import "../../Utils/expect.dart"; |
| |
| class A<T> { |
| A(this.val); |
| T val; |
| } |
| |
| typedef AAlias<T> = A<T>; |
| |
| main() { |
| AAlias a1 = new A(12345); |
| Expect.isTrue(a1 is A); |
| Expect.isTrue(a1 is AAlias); |
| Expect.equals(12345, a1.val); |
| |
| AAlias<int> a2 = new A<int>(14); |
| Expect.isTrue(a2 is A<int>); |
| Expect.isTrue(a2 is AAlias<int>); |
| Expect.equals(14, a2.val); |
| |
| AAlias<List<num>> a3 = new A<List<num>>([]); |
| Expect.isTrue(a3 is A<List<num>>); |
| Expect.isTrue(a3 is AAlias<List<num>>); |
| Expect.listEquals([], a3.val); |
| |
| } |