/*=============================================================================

    Copyright (c) 2012 Nathan Ridge

    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)

==============================================================================*/

#ifndef BOOST_FUSION_SUPPORT_AS_CONST_HPP

#define BOOST_FUSION_SUPPORT_AS_CONST_HPP

#include <boost/config.hpp>

#include <boost/fusion/support/config.hpp>

namespace boost { namespace fusion { namespace extension

{

    // A customization point that allows certain wrappers around

    // Fusion sequence elements (e.g. adt_attribute_proxy) to be

    // unwrapped in contexts where the element only needs to be

    // read. The library wraps accesses to Fusion elements in

    // such contexts with calls to this function. Users can

    // specialize this function for their own wrappers.

    template <typename T>

    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED

    inline const T& as_const(const T& obj) BOOST_NOEXCEPT

    {

        return obj;

    }

}}}

#endif