ceph/src/boost/libs/fusion/include/boost/fusion/container/vector/detail/begin_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_BEGIN_IMPL_05042005_1136)
   8 #define FUSION_BEGIN_IMPL_05042005_1136
   9
  10 #include <boost/fusion/support/config.hpp>
  11 #include <boost/fusion/container/vector/vector_iterator.hpp>
  12
  13 namespace boost { namespace fusion
  14 {
  15     struct vector_tag;
  16
  17     namespace extension
  18     {
  19         template <typename Tag>
  20         struct begin_impl;
  21
  22         template <>
  23         struct begin_impl<vector_tag>
  24         {
  25             template <typename Sequence>
  26             struct apply
  27             {
  28                 typedef vector_iterator<Sequence, 0> type;
  29
  30                 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  31                 static type
  32                 call(Sequence& v)
  33                 {
  34                     return type(v);
  35                 }
  36             };
  37         };
  38     }
  39 }}
  40
  41 #endif