1 /*============================================================================= 2 Copyright (c) 2001-2011 Joel de Guzman 3 4 Distributed under the Boost Software License, Version 1.0. (See accompanying 5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 6 ==============================================================================*/ 7 #if !defined(FUSION_CLEAR_10022005_1817) 8 #define FUSION_CLEAR_10022005_1817 9 10 #include <boost/fusion/support/config.hpp> 11 #include <boost/mpl/clear.hpp> 12 #include <boost/fusion/support/tag_of.hpp> 13 #include <boost/fusion/mpl/detail/clear.hpp> 14 15 namespace boost { namespace mpl 16 { 17 template <typename Tag> 18 struct clear_impl; 19 20 template <> 21 struct clear_impl<fusion::fusion_sequence_tag> 22 { 23 template <typename Sequence> 24 struct apply 25 { 26 typedef typename 27 fusion::detail::clear<typename fusion::detail::tag_of<Sequence>::type>::type 28 type; 29 }; 30 }; 31 }} 32 33 #endif 34 35