1
2#ifndef BOOST_MPL_AUX_NA_FWD_HPP_INCLUDED
3#define BOOST_MPL_AUX_NA_FWD_HPP_INCLUDED
4
5// Copyright Aleksey Gurtovoy 2001-2004
6//
7// Distributed under the Boost Software License, Version 1.0.
8// (See accompanying file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt)
10//
11// See http://www.boost.org/libs/mpl for documentation.
12
13// $Id$
14// $Date$
15// $Revision$
16
17#include <boost/mpl/aux_/adl_barrier.hpp>
18
19BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
20
21// n.a. == not available
22struct na
23{
24 typedef na type;
25 enum { value = 0 };
26};
27
28BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
29BOOST_MPL_AUX_ADL_BARRIER_DECL(na)
30
31#endif // BOOST_MPL_AUX_NA_FWD_HPP_INCLUDED
32