3rdparty/boost/boost/fusion/container/vector/vector_iterator.hpp

   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_VECTOR_ITERATOR_05042005_0635)
   8 #define FUSION_VECTOR_ITERATOR_05042005_0635
   9
  10 #include <boost/fusion/support/config.hpp>
  11 #include <boost/fusion/support/iterator_base.hpp>
  12 #include <boost/fusion/container/vector/detail/deref_impl.hpp>
  13 #include <boost/fusion/container/vector/detail/value_of_impl.hpp>
  14 #include <boost/fusion/container/vector/detail/next_impl.hpp>
  15 #include <boost/fusion/container/vector/detail/prior_impl.hpp>
  16 #include <boost/fusion/container/vector/detail/equal_to_impl.hpp>
  17 #include <boost/fusion/container/vector/detail/distance_impl.hpp>
  18 #include <boost/fusion/container/vector/detail/advance_impl.hpp>
  19 #include <boost/type_traits/add_const.hpp>
  20 #include <boost/mpl/int.hpp>
  21
  22 namespace boost { namespace fusion
  23 {
  24     struct vector_iterator_tag;
  25     struct random_access_traversal_tag;
  26
  27     template <typename Vector, int N>
  28     struct vector_iterator_identity;
  29
  30     template <typename Vector, int N>
  31     struct vector_iterator : iterator_base<vector_iterator<Vector, N> >
  32     {
  33         typedef mpl::int_<N> index;
  34         typedef Vector vector;
  35         typedef vector_iterator_tag fusion_tag;
  36         typedef random_access_traversal_tag category;
  37         typedef vector_iterator_identity<
  38             typename add_const<Vector>::type, N> identity;
  39
  40         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  41         vector_iterator(Vector& in_vec)
  42             : vec(in_vec) {}
  43
  44         Vector& vec;
  45
  46     private:
  47         // silence MSVC warning C4512: assignment operator could not be generated
  48         vector_iterator& operator= (vector_iterator const&);
  49     };
  50 }}
  51
  52 #ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
  53 namespace std
  54 {
  55     template <typename Vector, int N>
  56     struct iterator_traits< ::boost::fusion::vector_iterator<Vector, N> >
  57     { };
  58 }
  59 #endif
  60
  61 #endif
  62