1/*=============================================================================
2 Copyright (c) 2001-2011 Joel de Guzman
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#if !defined(FUSION_JOINT_VIEW_ITERATOR_07162005_0140)
8#define FUSION_JOINT_VIEW_ITERATOR_07162005_0140
9
10#include <boost/fusion/support/config.hpp>
11#include <boost/fusion/support/iterator_base.hpp>
12#include <boost/fusion/iterator/equal_to.hpp>
13#include <boost/fusion/iterator/mpl/convert_iterator.hpp>
14#include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
15#include <boost/fusion/view/joint_view/detail/deref_impl.hpp>
16#include <boost/fusion/view/joint_view/detail/next_impl.hpp>
17#include <boost/fusion/view/joint_view/detail/value_of_impl.hpp>
18#include <boost/fusion/view/joint_view/detail/deref_data_impl.hpp>
19#include <boost/fusion/view/joint_view/detail/value_of_data_impl.hpp>
20#include <boost/fusion/view/joint_view/detail/key_of_impl.hpp>
21#include <boost/static_assert.hpp>
22
23namespace boost { namespace fusion
24{
25 struct joint_view_iterator_tag;
26 struct forward_traversal_tag;
27
28 template <typename Category, typename First, typename Last, typename Concat>
29 struct joint_view_iterator
30 : iterator_base<joint_view_iterator<Category, First, Last, Concat> >
31 {
32 typedef convert_iterator<First> first_converter;
33 typedef convert_iterator<Last> last_converter;
34 typedef convert_iterator<Concat> concat_converter;
35
36 typedef typename first_converter::type first_type;
37 typedef typename last_converter::type last_type;
38 typedef typename concat_converter::type concat_type;
39
40 typedef joint_view_iterator_tag fusion_tag;
41 typedef Category category;
42 BOOST_STATIC_ASSERT((!result_of::equal_to<first_type, last_type>::value));
43
44 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
45 joint_view_iterator(First const& in_first, Concat const& in_concat)
46 : first(first_converter::call(in_first))
47 , concat(concat_converter::call(in_concat))
48 {}
49
50 first_type first;
51 concat_type concat;
52
53 // silence MSVC warning C4512: assignment operator could not be generated
54 BOOST_DELETED_FUNCTION(joint_view_iterator& operator= (joint_view_iterator const&))
55 };
56}}
57
58#ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
59namespace std
60{
61 template <typename Category, typename First, typename Last, typename Concat>
62 struct iterator_traits< ::boost::fusion::joint_view_iterator<Category, First, Last, Concat> >
63 { };
64}
65#endif
66
67#endif
68
69
70

source code of include/boost/fusion/view/joint_view/joint_view_iterator.hpp