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_BEGIN_10022005_1620) 8 #define FUSION_BEGIN_10022005_1620 9 10 #include <boost/fusion/support/config.hpp> 11 #include <boost/mpl/begin_end.hpp> 12 #include <boost/fusion/sequence/intrinsic/begin.hpp> 13 #include <boost/fusion/adapted/mpl/detail/begin_impl.hpp> 14 #include <boost/fusion/iterator/mpl/fusion_iterator.hpp> 15 16 namespace boost { namespace mpl 17 { 18 template <typename Tag> 19 struct begin_impl; 20 21 template <> 22 struct begin_impl<fusion::fusion_sequence_tag> 23 { 24 template <typename Sequence> 25 struct apply 26 { 27 typedef fusion_iterator<typename fusion::result_of::begin<Sequence>::type> type; 28 }; 29 }; 30 }} 31 32 #endif 33