boost/fusion/adapted/struct/detail/end_impl.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2011 Joel de Guzman
   3     Copyright (c) 2005-2006 Dan Marsden
   4     Copyright (c) 2009-2010 Christopher Schmidt
   5
   6     Distributed under the Boost Software License, Version 1.0. (See accompanying
   7     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   8 ==============================================================================*/
   9
  10 #ifndef BOOST_FUSION_ADAPTED_STRUCT_DETAIL_END_IMPL_HPP
  11 #define BOOST_FUSION_ADAPTED_STRUCT_DETAIL_END_IMPL_HPP
  12
  13 #include <boost/fusion/iterator/basic_iterator.hpp>
  14
  15 namespace boost { namespace fusion { namespace extension
  16 {
  17     template <typename>
  18     struct end_impl;
  19
  20     template <>
  21     struct end_impl<struct_tag>
  22     {
  23         template <typename Seq>
  24         struct apply
  25         {
  26             typedef
  27                 basic_iterator<
  28                     struct_iterator_tag
  29                   , random_access_traversal_tag
  30                   , Seq
  31                   , struct_size<typename remove_const<Seq>::type>::value
  32                 >
  33             type;
  34
  35             static type
  36             call(Seq& seq)
  37             {
  38                 return type(seq,0);
  39             }
  40         };
  41     };
  42
  43     template <>
  44     struct end_impl<assoc_struct_tag>
  45     {
  46         template <typename Seq>
  47         struct apply
  48         {
  49             typedef
  50                 basic_iterator<
  51                     struct_iterator_tag
  52                   , assoc_struct_category
  53                   , Seq
  54                   , struct_size<typename remove_const<Seq>::type>::value
  55                 >
  56             type;
  57
  58             static type
  59             call(Seq& seq)
  60             {
  61                 return type(seq,0);
  62             }
  63         };
  64     };
  65 }}}
  66
  67 #endif