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