// 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.

library constants_lib;

const bool yy = true;

class C {
  static const bool y = false;
}

class A {
  const A() : a = "hello";
  final a;
}

void F() {}

class B {
  static void M() {}
}
