/*=============================================================================
    Copyright (c) 2001-2011 Joel de Guzman

    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)
==============================================================================*/
#if !defined(FUSION_ACCESS_04182005_0737)
#define FUSION_ACCESS_04182005_0737

#include <boost/fusion/support/config.hpp>
#include <boost/type_traits/add_const.hpp>
#include <boost/type_traits/add_reference.hpp>

namespace boost {
namespace fusion {
namespace detail {
template <typename T>
struct ref_result
{
    typedef typename add_reference<T>::type type;
};

template <typename T>
struct cref_result
{
    typedef typename
    add_reference<
    typename add_const<T>::type
    >::type
    type;
};

template <typename T>
struct call_param
{
    typedef T const& type;
};

template <typename T>
struct call_param<T&>
{
    typedef T& type;
};

template <typename T>
struct call_param<T const>
{
    typedef T const& type;
};

template <typename T>
struct call_param<T volatile>
{
    typedef T const& type;
};

template <typename T>
struct call_param<T const volatile>
{
    typedef T const& type;
};

}
}
}

#endif
