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Jeff Thompsonf7d49942013-08-01 16:47:40 -07001
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: na_fwd.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
14// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
15// $Revision: 49267 $
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