Language/Expressions/Numbers/extend_or_implement_double_t02.dart

// 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 a class to attempt to extend,
/// mix in or implement double.
/// @description Checks that a user-defined class cannot implement double.
/// @compile-error
/// @author iefremov


class A implements double {}

main() {
  new A();
}