ceph/src/boost/libs/fusion/include/boost/fusion/adapted/std_tuple/tag_of.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_TAG_OF_09112011_1842)
   8 #define BOOST_FUSION_TAG_OF_09112011_1842
   9
  10 #include <boost/fusion/support/config.hpp>
  11 #include <tuple>
  12 #include <boost/fusion/support/tag_of_fwd.hpp>
  13
  14 namespace boost { namespace fusion
  15 {
  16     struct std_tuple_tag;
  17     struct fusion_sequence_tag;
  18
  19     namespace traits
  20     {
  21         template <typename... Elements>
  22         struct tag_of<std::tuple<Elements...>>
  23         {
  24             typedef std_tuple_tag type;
  25         };
  26     }
  27 }}
  28
  29 namespace boost { namespace mpl
  30 {
  31     template <typename>
  32     struct sequence_tag;
  33
  34     template <typename... Elements>
  35     struct sequence_tag<std::tuple<Elements...>>
  36     {
  37         typedef fusion::fusion_sequence_tag type;
  38     };
  39
  40     template <typename... Elements>
  41     struct sequence_tag<std::tuple<Elements...> const>
  42     {
  43         typedef fusion::fusion_sequence_tag type;
  44     };
  45 }}
  46
  47 #endif