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/Src/Dependencies/Boost/boost/iostreams/detail/default_arg.hpp

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 1// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
 2// (C) Copyright 2005-2007 Jonathan Turkanis
 3// Distributed under the Boost Software License, Version 1.0. (See accompanying
 4// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
 5
 6// See http://www.boost.org/libs/iostreams for documentation.
 7
 8#ifndef BOOST_IOSTREAMS_DETAIL_DEFAULT_ARG_HPP_INCLUDED
 9#define BOOST_IOSTREAMS_DETAIL_DEFAULT_ARG_HPP_INCLUDED
10
11#if defined(_MSC_VER) && (_MSC_VER >= 1020)
12# pragma once
13#endif            
14
15#include <boost/config.hpp>
16#include <boost/detail/workaround.hpp>
17
18#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
19# include <boost/mpl/identity.hpp>
20# define BOOST_IOSTREAMS_DEFAULT_ARG(arg) mpl::identity< arg >::type
21#else
22# define BOOST_IOSTREAMS_DEFAULT_ARG(arg) arg
23#endif
24
25#endif // #ifndef BOOST_IOSTREAMS_DETAIL_DEFAULT_ARG_HPP_INCLUDED