Boost_1_39_0/boost/fusion/adapted/mpl/detail/end_impl.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2006 Joel de Guzman
   3     Copyright (c) 2005-2006 Dan Marsden
   4
   5     Distributed under the Boost Software License, Version 1.0. (See accompanying
   6     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7 ==============================================================================*/
   8 #if !defined(BOOST_FUSION_END_IMPL_31122005_1237)
   9 #define BOOST_FUSION_END_IMPL_31122005_1237
  10
  11 #include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
  12 #include <boost/mpl/end.hpp>
  13 #include <boost/type_traits/add_const.hpp>
  14
  15 namespace boost { namespace fusion
  16 {
  17     struct mpl_sequence_tag;
  18
  19     namespace extension
  20     {
  21         template <typename Tag>
  22         struct end_impl;
  23
  24         template <>
  25         struct end_impl<mpl_sequence_tag>
  26         {
  27             template <typename Sequence>
  28             struct apply
  29             {
  30                 typedef typename mpl::end<
  31                     typename remove_const<Sequence>::type
  32                 >::type iterator;
  33                 typedef mpl_iterator<iterator> type;
  34
  35                 static type
  36                 call(Sequence)
  37                 {
  38                     return type();
  39                 }
  40             };
  41         };
  42     }
  43 }}
  44
  45 #endif