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- /*=============================================================================
- Copyright (c) 2005-2012 Joel de Guzman
- Copyright (c) 2005-2006 Dan Marsden
- Distributed under the Boost Software License, Version 1.0. (See accompanying
- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- ==============================================================================*/
- #if !defined(BOOST_FUSION_FRONT_EXTENDED_DEQUE_26112006_2209)
- #define BOOST_FUSION_FRONT_EXTENDED_DEQUE_26112006_2209
- #include <boost/fusion/support/config.hpp>
- #include <boost/mpl/int.hpp>
- #include <boost/fusion/support/sequence_base.hpp>
- #include <boost/fusion/sequence/intrinsic/size.hpp>
- #include <boost/fusion/container/deque/detail/keyed_element.hpp>
- namespace boost { namespace fusion
- {
- template <typename Deque, typename T>
- struct front_extended_deque
- : detail::keyed_element<typename Deque::next_down, T, Deque>
- , sequence_base<front_extended_deque<Deque, T> >
- {
- typedef detail::keyed_element<typename Deque::next_down, T, Deque> base;
- typedef mpl::int_<(Deque::next_down::value - 1)> next_down;
- typedef typename Deque::next_up next_up;
- typedef mpl::int_<(result_of::size<Deque>::value + 1)> size;
- template <typename Arg>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- front_extended_deque(Deque const& deque, Arg const& val)
- : base(val, deque)
- {}
- #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
- template <typename Arg>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- front_extended_deque(Deque const& deque, Arg& val)
- : base(val, deque)
- {}
- #else
- template <typename Arg>
- BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- front_extended_deque(Deque const& deque, Arg&& val)
- : base(BOOST_FUSION_FWD_ELEM(Arg, val), deque)
- {}
- #endif
- };
- }}
- #endif
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