added missing file from last merge

[SVN r78202]
This commit is contained in:
Joel de Guzman
2012-04-26 00:26:25 +00:00
parent ee33ea5cfa
commit 2e99690387

View File

@ -0,0 +1,56 @@
/*=============================================================================
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_DEQUE_DETAIL_CPP11_DEQUE_KEYED_VALUES_07042012_1901)
#define BOOST_FUSION_DEQUE_DETAIL_CPP11_DEQUE_KEYED_VALUES_07042012_1901
#include <boost/fusion/container/deque/detail/keyed_element.hpp>
#include <boost/type_traits/add_reference.hpp>
#include <boost/type_traits/add_const.hpp>
#include <boost/mpl/int.hpp>
namespace boost { namespace fusion { namespace detail
{
template<typename Key, typename Value, typename Rest>
struct keyed_element;
template <typename N, typename ...Elements>
struct deque_keyed_values_impl;
template <typename N, typename Head, typename ...Tail>
struct deque_keyed_values_impl<N, Head, Tail...>
{
typedef mpl::int_<(N::value + 1)> next_index;
typedef typename deque_keyed_values_impl<next_index, Tail...>::type tail;
typedef keyed_element<N, Head, tail> type;
static type call(
typename detail::call_param<Head>::type head
, typename detail::call_param<Tail>::type... tail)
{
return type(
head
, deque_keyed_values_impl<next_index, Tail...>::call(tail...)
);
}
};
struct nil_keyed_element;
template <typename N>
struct deque_keyed_values_impl<N>
{
typedef nil_keyed_element type;
static type call() { return type(); }
};
template <typename ...Elements>
struct deque_keyed_values
: deque_keyed_values_impl<mpl::int_<0>, Elements...> {};
}}}
#endif