ceph/src/boost/boost/fusion/algorithm/transformation/reverse.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_REVERSE_07212005_1230)
   8 #define FUSION_REVERSE_07212005_1230
   9
  10 #include <boost/fusion/support/config.hpp>
  11 #include <boost/fusion/view/reverse_view/reverse_view.hpp>
  12 #include <boost/fusion/support/is_sequence.hpp>
  13 #include <boost/utility/enable_if.hpp>
  14
  15 namespace boost { namespace fusion
  16 {
  17     namespace result_of
  18     {
  19         template <typename Sequence>
  20         struct reverse
  21         {
  22             typedef reverse_view<Sequence> type;
  23         };
  24     }
  25
  26     template <typename Sequence>
  27     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  28     inline typename
  29         enable_if<
  30             traits::is_sequence<Sequence>
  31           , reverse_view<Sequence const>
  32         >::type
  33     reverse(Sequence const& view)
  34     {
  35         return reverse_view<Sequence const>(view);
  36     }
  37 }}
  38
  39 #endif
  40