ceph/src/boost/libs/fusion/include/boost/fusion/view/reverse_view/detail/end_impl.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_END_IMPL_07202005_0851)
   8 #define FUSION_END_IMPL_07202005_0851
   9
  10 namespace boost { namespace fusion
  11 {
  12     struct reverse_view_tag;
  13
  14     template <typename Iterator>
  15     struct reverse_view_iterator;
  16
  17     namespace extension
  18     {
  19         template <typename Tag>
  20         struct end_impl;
  21
  22         template <>
  23         struct end_impl<reverse_view_tag>
  24         {
  25             template <typename Sequence>
  26             struct apply
  27             {
  28                 typedef reverse_view_iterator<typename Sequence::first_type> type;
  29
  30                 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  31                 static type
  32                 call(Sequence const& s)
  33                 {
  34                     return type(s.first());
  35                 }
  36             };
  37         };
  38     }
  39 }}
  40
  41 #endif
  42
  43