| /* |
| * Copyright (c) 2011, 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 In checked mode, it is a dynamic type error if a factory returns |
| * a non-null object whose type is not a subtype of its actual return type. |
| * @description Checks that returning null from factory constructor M does |
| * not produce an error. |
| * @author ilya |
| */ |
| |
| class A { |
| factory A() => null; |
| factory A.foo() => null; |
| } |
| |
| main() { |
| new A(); |
| new A.foo(); |
| } |
