ceph/src/boost/libs/fusion/include/boost/fusion/view/filter_view/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(FUSION_END_IMPL_05062005_0906)
   8 #define FUSION_END_IMPL_05062005_0906
   9
  10 namespace boost { namespace fusion
  11 {
  12     struct filter_view_tag;
  13
  14     template <typename Category,  typename First, typename Last, typename Pred>
  15     struct filter_iterator;
  16
  17     namespace extension
  18     {
  19         template <typename Tag>
  20         struct end_impl;
  21
  22         template <>
  23         struct end_impl<filter_view_tag>
  24         {
  25             template <typename Sequence>
  26             struct apply
  27             {
  28                 typedef typename Sequence::last_type last_type;
  29                 typedef typename Sequence::pred_type pred_type;
  30                 typedef typename Sequence::category category;
  31                 typedef filter_iterator<category,last_type, last_type, pred_type> type;
  32
  33                 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  34                 static type
  35                 call(Sequence& s)
  36                 {
  37                     return type(s.last());
  38                 }
  39             };
  40         };
  41     }
  42 }}
  43
  44 #endif
  45
  46