Language/Mixins/Mixin_Application/abstract_t13.dart

// Copyright (c) 2019, 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. Test type
/// aliases
/// @compile-error
/// @author sgrekhov@unipro.ru

// SharedOptions=--enable-experiment=nonfunction-type-aliases
abstract class M {
  int n();
}

abstract class S {
  int m();
}

typedef SAlias = S;
typedef MAlias = M;

class C = SAlias with MAlias;

main() {
  new C();
}