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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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