set/detail/value_of_impl.hpp

0001 /*=============================================================================
0002     Copyright (c) 2009 Christopher Schmidt
0003
0004     Distributed under the Boost Software License, Version 1.0. (See accompanying
0005     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0006 ==============================================================================*/
0007
0008 #ifndef BOOST_FUSION_CONTAINER_SET_DETAIL_VALUE_OF_IMPL_HPP
0009 #define BOOST_FUSION_CONTAINER_SET_DETAIL_VALUE_OF_IMPL_HPP
0010
0011 #include <boost/fusion/support/config.hpp>
0012 #include <boost/fusion/sequence/intrinsic/value_at.hpp>
0013
0014 namespace boost { namespace fusion { namespace extension
0015 {
0016     template <typename>
0017     struct value_of_impl;
0018
0019     template <>
0020     struct value_of_impl<set_iterator_tag>
0021     {
0022         template <typename It>
0023         struct apply
0024         {
0025             typedef typename
0026                 result_of::value_at<
0027                     typename It::seq_type::storage_type
0028                   , typename It::index
0029                 >::type
0030             type;
0031         };
0032     };
0033 }}}
0034
0035 #endif