williamr@2: 
williamr@2: #ifndef BOOST_MPL_AUX_NA_FWD_HPP_INCLUDED
williamr@2: #define BOOST_MPL_AUX_NA_FWD_HPP_INCLUDED
williamr@2: 
williamr@2: // Copyright Aleksey Gurtovoy 2001-2004
williamr@2: //
williamr@2: // Distributed under the Boost Software License, Version 1.0. 
williamr@2: // (See accompanying file LICENSE_1_0.txt or copy at 
williamr@2: // http://www.boost.org/LICENSE_1_0.txt)
williamr@2: //
williamr@2: // See http://www.boost.org/libs/mpl for documentation.
williamr@2: 
williamr@2: // $Source: /cvsroot/boost/boost/boost/mpl/aux_/na_fwd.hpp,v $
williamr@2: // $Date: 2004/11/28 01:37:30 $
williamr@2: // $Revision: 1.2 $
williamr@2: 
williamr@2: #include <boost/mpl/aux_/adl_barrier.hpp>
williamr@2: 
williamr@2: BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
williamr@2: 
williamr@2: // n.a. == not available
williamr@2: struct na
williamr@2: {
williamr@2:     typedef na type;
williamr@2:     enum { value = 0 };
williamr@2: };
williamr@2: 
williamr@2: BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
williamr@2: BOOST_MPL_AUX_ADL_BARRIER_DECL(na)
williamr@2: 
williamr@2: #endif // BOOST_MPL_AUX_NA_FWD_HPP_INCLUDED