1/*=============================================================================
2 Copyright (c) 2001-2011 Joel de Guzman
3 Copyright (c) 2006 Dan Marsden
4
5 Distributed under the Boost Software License, Version 1.0. (See accompanying
6 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7==============================================================================*/
8#if !defined(FUSION_ZIP_VIEW_ITERATOR_23012006_0814)
9#define FUSION_ZIP_VIEW_ITERATOR_23012006_0814
10
11#include <boost/fusion/support/config.hpp>
12#include <boost/fusion/view/zip_view/zip_view_iterator_fwd.hpp>
13#include <boost/fusion/support/iterator_base.hpp>
14#include <boost/fusion/view/zip_view/detail/deref_impl.hpp>
15#include <boost/fusion/view/zip_view/detail/next_impl.hpp>
16#include <boost/fusion/view/zip_view/detail/prior_impl.hpp>
17#include <boost/fusion/view/zip_view/detail/advance_impl.hpp>
18#include <boost/fusion/view/zip_view/detail/distance_impl.hpp>
19#include <boost/fusion/view/zip_view/detail/value_of_impl.hpp>
20#include <boost/fusion/view/zip_view/detail/equal_to_impl.hpp>
21
22#include <boost/fusion/container/vector/convert.hpp>
23
24namespace boost { namespace fusion {
25
26 struct zip_view_iterator_tag;
27
28 template<
29 typename IteratorSequence,
30 typename Traversal>
31 struct zip_view_iterator
32 : iterator_base<zip_view_iterator<IteratorSequence, Traversal> >
33 {
34 typedef zip_view_iterator_tag fusion_tag;
35 typedef Traversal category;
36
37 template<typename InitSeq>
38 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
39 zip_view_iterator(
40 const InitSeq& iterator_seq)
41 : iterators_(iterator_seq)
42 {}
43
44 typedef typename result_of::as_vector<IteratorSequence>::type iterators;
45 iterators iterators_;
46 };
47}}
48
49#ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
50namespace std
51{
52 template <typename IteratorSequence, typename Traversal>
53 struct iterator_traits< ::boost::fusion::zip_view_iterator<IteratorSequence, Traversal> >
54 { };
55}
56#endif
57
58#endif
59