ceph/src/boost/libs/fusion/include/boost/fusion/view/zip_view/zip_view_iterator.hpp

   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
  24 namespace 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
  50 namespace 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