Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 2001-2009 Joel de Guzman
Chris@16:     Copyright (c) 2005-2006 Dan Marsden
Chris@16:     Copyright (c) 2010 Christopher Schmidt
Chris@16: 
Chris@16:     Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16:     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: ==============================================================================*/
Chris@16: 
Chris@16: #ifndef BOOST_FUSION_ADAPTED_ADT_DETAIL_EXTENSION_HPP
Chris@16: #define BOOST_FUSION_ADAPTED_ADT_DETAIL_EXTENSION_HPP
Chris@16: 
Chris@101: #include <boost/fusion/support/config.hpp>
Chris@16: #include <boost/type_traits/remove_const.hpp>
Chris@16: #include <boost/type_traits/remove_reference.hpp>
Chris@16: #include <boost/fusion/support/as_const.hpp>
Chris@16: #include <boost/fusion/adapted/struct/detail/extension.hpp>
Chris@16: 
Chris@16: namespace boost { namespace fusion
Chris@101: {
Chris@16:     namespace detail
Chris@16:     {
Chris@101:         template <typename T, typename Dummy>
Chris@101:         struct get_identity
Chris@101:           : remove_const<typename remove_reference<T>::type>
Chris@101:         {};
Chris@16:     }
Chris@101: 
Chris@16:     namespace extension
Chris@16:     {
Chris@16:         // Overload as_const() to unwrap adt_attribute_proxy.
Chris@16:         template <typename T, int N, bool Const>
Chris@101:         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
Chris@16:         typename adt_attribute_proxy<T, N, Const>::type as_const(const adt_attribute_proxy<T, N, Const>& proxy)
Chris@16:         {
Chris@16:             return proxy.get();
Chris@16:         }
Chris@16:     }
Chris@16: }}
Chris@16: 
Chris@16: #endif