1/*=============================================================================
2 Copyright (c) 2009 Christopher Schmidt
3
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6==============================================================================*/
7
8#ifndef BOOST_FUSION_ITERATOR_DEREF_DATA_HPP
9#define BOOST_FUSION_ITERATOR_DEREF_DATA_HPP
10
11#include <boost/fusion/support/config.hpp>
12#include <boost/fusion/support/tag_of.hpp>
13
14namespace boost { namespace fusion
15{
16 struct iterator_facade_tag;
17
18 namespace extension
19 {
20 template <typename>
21 struct deref_data_impl;
22
23 template <>
24 struct deref_data_impl<iterator_facade_tag>
25 {
26 template <typename It>
27 struct apply
28 : It::template deref_data<It>
29 {};
30 };
31 }
32
33 namespace result_of
34 {
35 template <typename It>
36 struct deref_data
37 : extension::deref_data_impl<typename traits::tag_of<It>::type>::
38 template apply<It>
39 {};
40 }
41
42 template <typename It>
43 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
44 inline typename result_of::deref_data<It>::type
45 deref_data(It const& it)
46 {
47 return result_of::deref_data<It>::call(it);
48 }
49}}
50
51#endif
52

source code of include/boost/fusion/iterator/deref_data.hpp