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