na_fwd.hpp

Go to the documentation of this file.

 
#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.
 
// $Id: na_fwd.hpp 13472 2017-08-22 07:53:44Z richean $
// $Date: 2017-08-22 09:53:44 +0200 (Di, 22 Aug 2017) $
// $Revision: 13472 $
 
#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