/*============================================================================= | |
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/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> | |
typename result_of::deref_data<It>::type | |
deref_data(It const& it) | |
{ | |
return result_of::deref_data<It>::call(it); | |
} | |
}} | |
#endif |