/*============================================================================= | |
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_VIEW_FILTER_VIEW_DETAIL_DEREF_DATA_IMPL_HPP | |
#define BOOST_FUSION_VIEW_FILTER_VIEW_DETAIL_DEREF_DATA_IMPL_HPP | |
#include <boost/fusion/iterator/deref_data.hpp> | |
namespace boost { namespace fusion { namespace extension | |
{ | |
template <typename> | |
struct deref_data_impl; | |
template <> | |
struct deref_data_impl<filter_view_iterator_tag> | |
{ | |
template <typename It> | |
struct apply | |
{ | |
typedef typename | |
result_of::deref_data<typename It::first_type>::type | |
type; | |
static type | |
call(It const& it) | |
{ | |
return fusion::deref_data(it.first); | |
} | |
}; | |
}; | |
}}} | |
#endif |