// (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_BROKEN_OVERLOAD_RESOLUTION_HPP_INCLUDED

#define BOOST_IOSTREAMS_DETAIL_BROKEN_OVERLOAD_RESOLUTION_HPP_INCLUDED



#include <boost/config.hpp>                     // BOOST_STATIC_CONSANT.

#include <boost/mpl/bool.hpp>

#include <boost/type_traits/is_same.hpp>



namespace boost { namespace iostreams { namespace detail {



template<typename Device, typename U>

struct forward_impl {

    BOOST_STATIC_CONSTANT(bool, value =

        ( !is_same< U, Device >::value &&

          !is_same< U, reference_wrapper<Device> >::value ));

};



template<typename Device, typename U>

struct forward

    : mpl::bool_<forward_impl<Device, U>::value>

    { };



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



#endif // #ifndef BOOST_IOSTREAMS_DETAIL_BROKEN_OVERLOAD_RESOLUTION_HPP_INCLUDED

