boost/msm/common.hpp

0001 // Copyright 2008 Christophe Henry
0002 // henry UNDERSCORE christophe AT hotmail DOT com
0003 // This is an extended version of the state machine available in the boost::mpl library
0004 // Distributed under the same license as the original.
0005 // Copyright for the original version:
0006 // Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed
0007 // under the Boost Software License, Version 1.0. (See accompanying
0008 // file LICENSE_1_0.txt or copy at
0009 // http://www.boost.org/LICENSE_1_0.txt)
0010
0011 #ifndef BOOST_MSM_COMMON_H
0012 #define BOOST_MSM_COMMON_H
0013
0014 namespace boost { namespace msm
0015 {
0016 // wrapper for mpl::for_each as showed in the C++ Template Metaprogramming ch. 9
0017 template <class T>
0018 struct wrap{};
0019
0020 // tag to use in grammars where states are seen (init_<<, states_<<...)
0021 struct state_tag{};
0022
0023 } } // boost::msm
0024 #endif //BOOST_MSM_COMMON_H
0025