ceph/src/boost/libs/fusion/include/boost/fusion/adapted/std_tuple/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(BOOST_FUSION_END_IMPL_09242011_1744)
   8 #define BOOST_FUSION_END_IMPL_09242011_1744
   9
  10 #include <boost/fusion/support/config.hpp>
  11 #include <boost/fusion/adapted/std_tuple/std_tuple_iterator.hpp>
  12 #include <boost/type_traits/remove_const.hpp>
  13 #include <tuple>
  14
  15 namespace boost { namespace fusion
  16 {
  17     struct std_tuple_tag;
  18
  19     namespace extension
  20     {
  21         template<typename T>
  22         struct end_impl;
  23
  24         template <>
  25         struct end_impl<std_tuple_tag>
  26         {
  27             template <typename Sequence>
  28             struct apply
  29             {
  30                 typedef typename remove_const<Sequence>::type seq_type;
  31                 static int const size = std::tuple_size<seq_type>::value;
  32                 typedef std_tuple_iterator<Sequence, size> type;
  33
  34                 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  35                 static type
  36                 call(Sequence& v)
  37                 {
  38                     return type(v);
  39                 }
  40             };
  41         };
  42     }
  43 }}
  44
  45 #endif