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 back_extended_dequeboost::fusion::back_extended_deque33 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 back_extended_dequeboost::fusion::back_extended_deque40 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 back_extended_dequeboost::fusion::back_extended_deque46 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 54