// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)

// (C) Copyright 2003-2007 Jonathan Turkanis

// 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/iostreams for documentation.



#ifndef BOOST_IOSTREAMS_DETAIL_VALUE_TYPE_HPP_INCLUDED

#define BOOST_IOSTREAMS_DETAIL_VALUE_TYPE_HPP_INCLUDED



#if defined(_MSC_VER) && (_MSC_VER >= 1020)

# pragma once

#endif              



#include <boost/iostreams/traits.hpp>

#include <boost/mpl/if.hpp>



namespace boost { namespace iostreams { namespace detail {



template<typename T>

struct param_type {

    typedef typename mpl::if_<is_std_io<T>, T&, const T&>::type type;

};



template<typename T>

struct value_type {

    typedef typename mpl::if_<is_std_io<T>, T&, T>::type type;

};



} } } // End namespaces detail, iostreams, boost.



#endif // #ifndef BOOST_IOSTREAMS_DETAIL_VALUE_TYPE_HPP_INCLUDED //-----------//

