as_fusion_element.hpp

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/*=============================================================================
    Copyright (c) 1999-2003 Jaakko Jarvi
    Copyright (c) 2001-2006 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_AS_FUSION_ELEMENT_05052005_0338)
#define FUSION_AS_FUSION_ELEMENT_05052005_0338

#include <boost/ref.hpp>

namespace boost { namespace fusion { namespace detail
{
    template <typename T>
    struct as_fusion_element
    {
        typedef T type;
    };

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

    template <typename T, int N>
    struct as_fusion_element<T[N]>
    {
        typedef const T(&type)[N];
    };

    template <typename T, int N>
    struct as_fusion_element<volatile T[N]>
    {
        typedef const volatile T(&type)[N];
    };

    template <typename T, int N>
    struct as_fusion_element<const volatile T[N]>
    {
        typedef const volatile T(&type)[N];
    };

}}}

#endif