/*=============================================================================
    Copyright (c) 2001-2011 Joel de Guzman

    Distributed under the Boost Software License, Version 1.0. (See accompanying 
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
==============================================================================*/
#if !defined(FUSION_UNKNOWN_KEY_09242005_1219)
#define FUSION_UNKNOWN_KEY_09242005_1219

namespace boost { namespace fusion { namespace detail
{
    template <int index>
    struct unknown_key {};
}}}

#endif
