/* | |
* 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 It is a compile-time error for any type other than the types | |
* int and double to attempt to extend, mix in or implement num. | |
* @description Checks that a user-defined interface can not extend num. | |
* @compile-error | |
* @author iefremov | |
*/ | |
abstract class A extends num {} | |
class B implements A {} | |
main() { | |
new B(); | |
} |