

#ifndef BOOST_MPL_AUX_NA_FWD_HPP_INCLUDED

#define BOOST_MPL_AUX_NA_FWD_HPP_INCLUDED



// Copyright Aleksey Gurtovoy 2001-2004

//

// 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)

//

// See http://www.boost.org/libs/mpl for documentation.



// $Source$

// $Date: 2004-11-27 20:39:23 -0500 (Sat, 27 Nov 2004) $

// $Revision: 26324 $



#include <boost/mpl/aux_/adl_barrier.hpp>



BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN



// n.a. == not available

struct na

{

    typedef na type;

    enum { value = 0 };

};



BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE

BOOST_MPL_AUX_ADL_BARRIER_DECL(na)



#endif // BOOST_MPL_AUX_NA_FWD_HPP_INCLUDED

