You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

52 lines
1.3 KiB

/*=============================================================================
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_ITERATOR_DEREF_DATA_HPP
#define BOOST_FUSION_ITERATOR_DEREF_DATA_HPP
#include <boost/fusion/support/config.hpp>
#include <boost/fusion/support/tag_of.hpp>
namespace boost { namespace fusion
{
struct iterator_facade_tag;
namespace extension
{
template <typename>
struct deref_data_impl;
template <>
struct deref_data_impl<iterator_facade_tag>
{
template <typename It>
struct apply
: It::template deref_data<It>
{};
};
}
namespace result_of
{
template <typename It>
struct deref_data
: extension::deref_data_impl<typename traits::tag_of<It>::type>::
template apply<It>
{};
}
template <typename It>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::deref_data<It>::type
deref_data(It const& it)
{
return result_of::deref_data<It>::call(it);
}
}}
#endif