1 /*=============================================================================
2 Copyright (c) 2001-2011 Joel de Guzman
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_EMPTY_10022005_1619)
8 #define FUSION_EMPTY_10022005_1619
10 #include <boost/fusion/support/config.hpp>
11 #include <boost/mpl/empty.hpp>
12 #include <boost/fusion/sequence/intrinsic/empty.hpp>
14 namespace boost { namespace mpl
16 template <typename Tag>
20 struct empty_impl<fusion::fusion_sequence_tag>
22 template <typename Sequence>
23 struct apply : fusion::result_of::empty<Sequence> {};