boost/fusion/view/joint_view/detail/key_of_impl.hpp
/*=============================================================================
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_JOINT_VIEW_DETAIL_KEY_OF_IMPL_HPP
#define BOOST_FUSION_VIEW_JOINT_VIEW_DETAIL_KEY_OF_IMPL_HPP
#include <boost/fusion/iterator/key_of.hpp>
namespace boost { namespace fusion { namespace extension
{
template <typename>
struct key_of_impl;
template <>
struct key_of_impl<joint_view_iterator_tag>
{
template <typename It>
struct apply
: result_of::key_of<typename It::first_type>
{};
};
}}}
#endif