fusion/mpl/clear.hpp

0001 /*=============================================================================
0002     Copyright (c) 2001-2011 Joel de Guzman
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 #if !defined(FUSION_CLEAR_10022005_1817)
0008 #define FUSION_CLEAR_10022005_1817
0009
0010 #include <boost/fusion/support/config.hpp>
0011 #include <boost/mpl/clear.hpp>
0012 #include <boost/fusion/support/tag_of.hpp>
0013 #include <boost/fusion/mpl/detail/clear.hpp>
0014
0015 namespace boost { namespace mpl
0016 {
0017     template <typename Tag>
0018     struct clear_impl;
0019
0020     template <>
0021     struct clear_impl<fusion::fusion_sequence_tag>
0022     {
0023         template <typename Sequence>
0024         struct apply
0025         {
0026             typedef typename
0027                 fusion::detail::clear<typename fusion::detail::tag_of<Sequence>::type>::type
0028             type;
0029         };
0030     };
0031 }}
0032
0033 #endif
0034