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/*=============================================================================
Copyright (c) 2009 Christopher Schmidt
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)
==============================================================================*/
#ifndef BOOST_FUSION_CONTAINER_MAP_DETAIL_DEREF_IMPL_HPP
#define BOOST_FUSION_CONTAINER_MAP_DETAIL_DEREF_IMPL_HPP
#include <boost/fusion/support/config.hpp>
#include <boost/fusion/sequence/intrinsic/at.hpp>
#include <boost/type_traits/is_const.hpp>
namespace boost { namespace fusion { namespace extension
{
template <typename>
struct deref_impl;
template <>
struct deref_impl<map_iterator_tag>
{
template <typename It>
struct apply
{
typedef typename
result_of::at<
typename mpl::if_<
is_const<typename It::seq_type>
, typename It::seq_type::storage_type const
, typename It::seq_type::storage_type
>::type
, typename It::index
>::type
type;
BOOST_FUSION_GPU_ENABLED
static type
call(It const& it)
{
return fusion::at<typename It::index>(it.seq->get_data());
}
};
};
}}}
#endif
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