Language/Mixins/Mixin_Application/abstract_t05.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 The effect of a class definition of the form class C = M; or the
 * form class C<T1,...,Tn> = M; in library L is to introduce the name C into
 * the scope of L, bound to the class defined by the mixin application M.
 * The name of the class is also set to C. Iff the class is prefixed by the
 * built-in identifier abstract, the class being defined is an abstract class.
 * @description Checks that compile error is issued, if class C declared without
 * 'abstract' identifier does not implement all abstract methods.
 * @compile-error
 * @author sgrekhov@unipro.ru
 */

abstract class M {
  int n();
}

abstract class S {
  int m();
}

class C = S with M;

main() {
  new C();
}