boost/fusion/container/map/detail/end_impl.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2006 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_END_IMPL_05222005_1108)
   8 #define FUSION_END_IMPL_05222005_1108
   9
  10 #include <boost/fusion/sequence/intrinsic/end.hpp>
  11
  12 namespace boost { namespace fusion
  13 {
  14     struct map_tag;
  15
  16     namespace extension
  17     {
  18         template <typename Tag>
  19         struct end_impl;
  20
  21         template <>
  22         struct end_impl<map_tag>
  23         {
  24             template <typename Sequence>
  25             struct apply
  26             {
  27                 typedef typename
  28                     result_of::end<typename Sequence::storage_type>::type
  29                 iterator_type;
  30
  31                 typedef typename
  32                     result_of::end<typename Sequence::storage_type const>::type
  33                 const_iterator_type;
  34
  35                 typedef typename
  36                     mpl::eval_if<
  37                         is_const<Sequence>
  38                       , mpl::identity<const_iterator_type>
  39                       , mpl::identity<iterator_type>
  40                     >::type
  41                 type;
  42
  43                 static type
  44                 call(Sequence& m)
  45                 {
  46                     return fusion::end(m.get_data());
  47                 }
  48             };
  49         };
  50     }
  51 }}
  52
  53 #endif