ceph/src/boost/boost/fusion/container/deque/back_extended_deque.hpp

   1 /*=============================================================================
   2     Copyright (c) 2005-2012 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_BACK_EXTENDED_DEQUE_26112006_2209)
   9 #define BOOST_FUSION_BACK_EXTENDED_DEQUE_26112006_2209
  10
  11 #include <boost/config.hpp>
  12 #include <boost/fusion/support/config.hpp>
  13 #include <boost/mpl/int.hpp>
  14
  15 #include <boost/fusion/sequence/intrinsic/size.hpp>
  16 #include <boost/fusion/support/sequence_base.hpp>
  17 #include <boost/fusion/container/deque/detail/keyed_element.hpp>
  18
  19 namespace boost { namespace fusion
  20 {
  21     template <typename Deque, typename T>
  22     struct back_extended_deque
  23       : detail::keyed_element<typename Deque::next_up, T, Deque>
  24       , sequence_base<back_extended_deque<Deque, T> >
  25     {
  26         typedef detail::keyed_element<typename Deque::next_up, T, Deque> base;
  27         typedef typename Deque::next_down next_down;
  28         typedef mpl::int_<(Deque::next_up::value + 1)> next_up;
  29         typedef mpl::int_<(result_of::size<Deque>::value + 1)> size;
  30
  31         template <typename Arg>
  32         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  33         back_extended_deque(Deque const& deque, Arg const& val)
  34           : base(val, deque)
  35         {}
  36
  37 #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
  38         template <typename Arg>
  39         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  40         back_extended_deque(Deque const& deque, Arg& val)
  41           : base(val, deque)
  42         {}
  43 #else
  44         template <typename Arg>
  45         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  46         back_extended_deque(Deque const& deque, Arg&& val)
  47           : base(BOOST_FUSION_FWD_ELEM(Arg, val), deque)
  48         {}
  49 #endif
  50     };
  51 }}
  52
  53 #endif