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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_DEQUE_DETAIL_CPP11_DEQUE_KEYED_VALUES_07042012_1901)
9 #define BOOST_FUSION_DEQUE_DETAIL_CPP11_DEQUE_KEYED_VALUES_07042012_1901
10
11 #include <boost/fusion/support/config.hpp>
12 #include <boost/fusion/support/detail/access.hpp>
13 #include <boost/fusion/container/deque/detail/keyed_element.hpp>
14 #include <boost/mpl/int.hpp>
15
16 namespace boost { namespace fusion { namespace detail
17 {
18     template<typename Key, typename Value, typename Rest>
19     struct keyed_element;
20
21     template <typename N, typename ...Elements>
22     struct deque_keyed_values_impl;
23
24     template <typename N, typename Head, typename ...Tail>
25     struct deque_keyed_values_impl<N, Head, Tail...>
26     {
27         typedef mpl::int_<(N::value + 1)> next_index;
28         typedef typename deque_keyed_values_impl<next_index, Tail...>::type tail;
29         typedef keyed_element<N, Head, tail> type;
30
31         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
32         static type construct(
33           typename detail::call_param<Head>::type head
34         , typename detail::call_param<Tail>::type... tail)
35         {
36             return type(
37                 head
38               , deque_keyed_values_impl<next_index, Tail...>::construct(tail...)
39             );
40         }
41 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
42         template <typename Head_, typename ...Tail_>
43         BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
44         static type forward_(Head_&& head, Tail_&&... tail)
45         {
46             return type(
47                 BOOST_FUSION_FWD_ELEM(Head_, head)
48               , deque_keyed_values_impl<next_index, Tail_...>::
49                   forward_(BOOST_FUSION_FWD_ELEM(Tail_, tail)...)
50             );
51         }
52 #endif
53     };
54
55     struct nil_keyed_element;
56
57     template <typename N>
58     struct deque_keyed_values_impl<N>
59     {
60         typedef nil_keyed_element type;
61
62         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
63         static type construct() { return type(); }
64
65 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
66         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
67         static type forward_() { return type(); }
68 #endif
69     };
70
71     template <typename ...Elements>
72     struct deque_keyed_values
73       : deque_keyed_values_impl<mpl::int_<0>, Elements...> {};
74 }}}
75
76 #endif