boost/fusion/view/joint_view/detail/end_impl.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2006 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_07162005_0128)
   8 #define FUSION_END_IMPL_07162005_0128
   9
  10 #include <boost/fusion/iterator/equal_to.hpp>
  11 #include <boost/mpl/if.hpp>
  12
  13 namespace boost { namespace fusion
  14 {
  15     struct joint_view_tag;
  16
  17     namespace extension
  18     {
  19         template <typename Tag>
  20         struct end_impl;
  21
  22         template <>
  23         struct end_impl<joint_view_tag>
  24         {
  25             template <typename Sequence>
  26             struct apply
  27             {
  28                 typedef typename Sequence::concat_last_type type;
  29
  30                 static type
  31                 call(Sequence& s)
  32                 {
  33                     return s.concat_last();
  34                 }
  35             };
  36         };
  37     }
  38 }}
  39
  40 #endif