Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 2009 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_ITERATOR_DEREF_DATA_HPP
Chris@16: #define BOOST_FUSION_ITERATOR_DEREF_DATA_HPP
Chris@16: 
Chris@101: #include <boost/fusion/support/config.hpp>
Chris@16: #include <boost/fusion/support/tag_of.hpp>
Chris@16: 
Chris@16: namespace boost { namespace fusion
Chris@16: {
Chris@16:     struct iterator_facade_tag;
Chris@16: 
Chris@16:     namespace extension
Chris@16:     {
Chris@16:         template <typename>
Chris@16:         struct deref_data_impl;
Chris@16: 
Chris@16:         template <>
Chris@16:         struct deref_data_impl<iterator_facade_tag>
Chris@16:         {
Chris@16:             template <typename It>
Chris@16:             struct apply
Chris@16:               : It::template deref_data<It>
Chris@16:             {};
Chris@16:        };
Chris@16:     }
Chris@16: 
Chris@16:     namespace result_of
Chris@16:     {
Chris@16:         template <typename It>
Chris@16:         struct deref_data
Chris@16:           : extension::deref_data_impl<typename traits::tag_of<It>::type>::
Chris@16:                 template apply<It>
Chris@16:         {};
Chris@16:     }
Chris@16: 
Chris@16:     template <typename It>
Chris@101:     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
Chris@101:     inline typename result_of::deref_data<It>::type
Chris@16:     deref_data(It const& it)
Chris@16:     {
Chris@16:         return result_of::deref_data<It>::call(it);
Chris@16:     }
Chris@16: }}
Chris@16: 
Chris@16: #endif