ceph/src/boost/libs/fusion/include/boost/fusion/container/vector/detail/advance_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_ADVANCE_IMPL_09172005_1156)
   8 #define FUSION_ADVANCE_IMPL_09172005_1156
   9
  10 namespace boost { namespace fusion
  11 {
  12     struct vector_iterator_tag;
  13
  14     template <typename Vector, int N>
  15     struct vector_iterator;
  16
  17     namespace extension
  18     {
  19         template <typename Tag>
  20         struct advance_impl;
  21
  22         template <>
  23         struct advance_impl<vector_iterator_tag>
  24         {
  25             template <typename Iterator, typename N>
  26             struct apply
  27             {
  28                 typedef typename Iterator::index index;
  29                 typedef typename Iterator::vector vector;
  30                 typedef vector_iterator<vector, index::value+N::value> type;
  31
  32                 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  33                 static type
  34                 call(Iterator const& i)
  35                 {
  36                     return type(i.vec);
  37                 }
  38             };
  39         };
  40     }
  41 }}
  42
  43 #endif