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88 lines
3.0 KiB
C++
88 lines
3.0 KiB
C++
/*=============================================================================
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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_CPP03_FUSION_DEQUE_26112006_1649)
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#define BOOST_CPP03_FUSION_DEQUE_26112006_1649
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#include <boost/type_traits/add_reference.hpp>
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#include <boost/type_traits/add_const.hpp>
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#include <boost/type_traits/is_convertible.hpp>
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#include <boost/fusion/support/sequence_base.hpp>
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#include <boost/fusion/support/detail/access.hpp>
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#include <boost/fusion/container/deque/detail/keyed_element.hpp>
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#include <boost/fusion/container/deque/detail/cpp11_deque_keyed_values.hpp>
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#include <boost/fusion/container/deque/deque_fwd.hpp>
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#include <boost/fusion/container/deque/detail/value_at_impl.hpp>
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#include <boost/fusion/container/deque/detail/at_impl.hpp>
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#include <boost/fusion/container/deque/detail/begin_impl.hpp>
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#include <boost/fusion/container/deque/detail/end_impl.hpp>
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#include <boost/fusion/container/deque/detail/is_sequence_impl.hpp>
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#include <boost/fusion/sequence/intrinsic/begin.hpp>
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#include <boost/mpl/int.hpp>
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#include <boost/utility/enable_if.hpp>
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namespace boost { namespace fusion
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{
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struct deque_tag;
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template <typename ...Elements>
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struct deque : detail::nil_keyed_element
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{
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};
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template <typename Head, typename ...Tail>
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struct deque<Head, Tail...>
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: detail::deque_keyed_values<Head, Tail...>::type
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, sequence_base<deque<Head, Tail...>>
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{
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typedef deque_tag fusion_tag;
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typedef bidirectional_traversal_tag category;
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typedef typename detail::deque_keyed_values<Head, Tail...>::type base;
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typedef mpl::int_<(sizeof ...(Tail) + 1)> size;
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typedef mpl::int_<size::value> next_up;
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typedef mpl::int_<mpl::int_<((size::value == 0) ? 0 : -1)>::type::value> next_down;
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typedef mpl::false_ is_view;
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deque()
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{}
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template <typename ...Elements>
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deque(deque<Elements...> const& seq)
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: base(seq)
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{}
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explicit deque(typename detail::call_param<Head>::type head
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, typename detail::call_param<Tail>::type... tail)
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: base(detail::deque_keyed_values<Head, Tail...>::call(head, tail...))
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{}
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template <typename Sequence>
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explicit deque(Sequence const& seq
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, typename disable_if<is_convertible<Sequence, Head> >::type* /*dummy*/ = 0)
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: base(base::from_iterator(fusion::begin(seq)))
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{}
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template <typename ...Elements>
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deque& operator=(deque<Elements...> const& rhs)
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{
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base::operator=(rhs);
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return *this;
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}
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template <typename T>
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deque& operator=(T const& rhs)
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{
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base::operator=(rhs);
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return *this;
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}
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};
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}}
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#endif
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