ceph/src/boost/boost/fusion/view/single_view/single_view_iterator.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2011 Joel de Guzman
   3     Copyright (c) 2011 Eric Niebler
   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(BOOST_FUSION_SINGLE_VIEW_ITERATOR_05052005_0340)
   9 #define BOOST_FUSION_SINGLE_VIEW_ITERATOR_05052005_0340
  10
  11 #include <boost/fusion/support/config.hpp>
  12 #include <boost/fusion/support/detail/access.hpp>
  13 #include <boost/fusion/support/iterator_base.hpp>
  14 #include <boost/fusion/view/single_view/detail/deref_impl.hpp>
  15 #include <boost/fusion/view/single_view/detail/next_impl.hpp>
  16 #include <boost/fusion/view/single_view/detail/prior_impl.hpp>
  17 #include <boost/fusion/view/single_view/detail/advance_impl.hpp>
  18 #include <boost/fusion/view/single_view/detail/distance_impl.hpp>
  19 #include <boost/fusion/view/single_view/detail/equal_to_impl.hpp>
  20 #include <boost/fusion/view/single_view/detail/value_of_impl.hpp>
  21 #include <boost/config.hpp>
  22
  23 namespace boost { namespace fusion
  24 {
  25     struct single_view_iterator_tag;
  26     struct random_access_traversal_tag;
  27
  28     template <typename SingleView, typename Pos>
  29     struct single_view_iterator
  30         : iterator_base<single_view_iterator<SingleView, Pos> >
  31     {
  32         typedef single_view_iterator_tag fusion_tag;
  33         typedef random_access_traversal_tag category;
  34         typedef typename SingleView::value_type value_type;
  35         typedef Pos position;
  36         typedef SingleView single_view_type;
  37
  38         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  39         explicit single_view_iterator(single_view_type& in_view)
  40             : view(in_view) {}
  41
  42         SingleView& view;
  43
  44         BOOST_DELETED_FUNCTION(single_view_iterator& operator=(single_view_iterator const&))
  45     };
  46 }}
  47
  48 #ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
  49 namespace std
  50 {
  51     template <typename SingleView, typename Pos>
  52     struct iterator_traits< ::boost::fusion::single_view_iterator<SingleView, Pos> >
  53     { };
  54 }
  55 #endif
  56
  57 #endif
  58
  59