| /*============================================================================= |
| Copyright (c) 2001-2009 Joel de Guzman |
| Copyright (c) 2005-2006 Dan Marsden |
| Copyright (c) 2010 Christopher Schmidt |
| |
| 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_ADAPTED_ADT_DETAIL_EXTENSION_HPP |
| #define BOOST_FUSION_ADAPTED_ADT_DETAIL_EXTENSION_HPP |
| |
| #include <boost/fusion/support/config.hpp> |
| #include <boost/type_traits/remove_const.hpp> |
| #include <boost/type_traits/remove_reference.hpp> |
| #include <boost/fusion/support/as_const.hpp> |
| #include <boost/fusion/adapted/struct/detail/extension.hpp> |
| |
| namespace boost { namespace fusion |
| { |
| namespace detail |
| { |
| template <typename T, typename Dummy> |
| struct get_identity |
| : remove_const<typename remove_reference<T>::type> |
| {}; |
| } |
| |
| namespace extension |
| { |
| // Overload as_const() to unwrap adt_attribute_proxy. |
| template <typename T, int N, bool Const> |
| BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| typename adt_attribute_proxy<T, N, Const>::type as_const(const adt_attribute_proxy<T, N, Const>& proxy) |
| { |
| return proxy.get(); |
| } |
| } |
| }} |
| |
| #endif |