ceph/src/boost/libs/fusion/include/boost/fusion/container/map/detail/cpp03/convert.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_CONVERT_09232005_1340)
   8 #define FUSION_CONVERT_09232005_1340
   9
  10 #include <boost/fusion/support/config.hpp>
  11 #include <boost/fusion/container/map/detail/cpp03/as_map.hpp>
  12 #include <boost/fusion/container/map/detail/cpp03/convert_impl.hpp>
  13 #include <boost/fusion/container/map/detail/cpp03/map.hpp>
  14 #include <boost/fusion/sequence/intrinsic/begin.hpp>
  15 #include <boost/fusion/sequence/intrinsic/size.hpp>
  16
  17 namespace boost { namespace fusion
  18 {
  19     namespace result_of
  20     {
  21         template <typename Sequence>
  22         struct as_map
  23         {
  24             typedef typename
  25                 detail::as_map<
  26                     result_of::size<Sequence>::value
  27                   , is_base_of<
  28                         associative_tag
  29                       , typename traits::category_of<Sequence>::type>::value
  30                 >
  31             gen;
  32             typedef typename gen::
  33                 template apply<typename result_of::begin<Sequence>::type>::type
  34             type;
  35         };
  36     }
  37
  38     template <typename Sequence>
  39     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  40     inline typename result_of::as_map<Sequence>::type
  41     as_map(Sequence& seq)
  42     {
  43         typedef typename result_of::as_map<Sequence>::gen gen;
  44         return gen::call(fusion::begin(seq));
  45     }
  46
  47     template <typename Sequence>
  48     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  49     inline typename result_of::as_map<Sequence const>::type
  50     as_map(Sequence const& seq)
  51     {
  52         typedef typename result_of::as_map<Sequence const>::gen gen;
  53         return gen::call(fusion::begin(seq));
  54     }
  55 }}
  56
  57 #endif