Language/Expressions/Strings/extend_or_implement_t03.dart

/*
 * Copyright (c) 2015, 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 a class to attempt to extend,
 * mix in or implement String.
 * @description Checks that String cannot be mixed in
 * @compile-error
 * @author sgrekhov@unipro.ru
 */
class A {}

class C extends A with String {}

main() {
  try {
    new C();
  } catch (e) {}
}