/*============================================================================= 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_KEY_OF_HPP #define BOOST_FUSION_ITERATOR_KEY_OF_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 key_of_impl; template <> struct key_of_impl<iterator_facade_tag> { template <typename It> struct apply : It::template key_of<It> {}; }; } namespace result_of { template <typename It> struct key_of : extension::key_of_impl<typename traits::tag_of<It>::type>:: template apply<It> {}; } }} #endif