| // 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. |
| |
| /// @assertion This differs for a generic type alias. If the type alias is |
| /// instantiated (implicitly or explicitly), then the result is still the same |
| /// as tearing off the aliased type directly, and it's constant and |
| /// canonicalized if the type arguments are constant. |
| /// |
| /// @description Checks that if type alias is instantiated, the result is the |
| /// same as tearing off the aliased type directly. |
| /// |
| /// @author iarkh@unipro.ru |
| |
| // SharedOptions=--enable-experiment=constructor-tearoffs |
| |
| import "../../Utils/expect.dart"; |
| |
| typedef MyList<T extends num> = List<T>; |
| |
| main() { |
| var v1 = MyList<num>.filled; |
| List list1 = v1(3, 1.5); |
| Expect.listEquals([1.5, 1.5, 1.5], list1); |
| |
| var v2 = MyList<int>.filled; |
| List list2 = v2(3, 1); |
| Expect.listEquals([1, 1, 1], list2); |
| } |