// 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 if a class has an instance member and 
 * a static member with the same name.
 * @description Checks that it is a compile-time error if a class declares a 
 * non-abstract instance method and a static method with the same name.
 * @compile-error
 * @author msyabro
 */

class A {
  int func() => 42;
  static int func() => 42;
}

main() {
  new A();
}
