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boost/msm/common.hpp

// Copyright 2008 Christophe Henry
// henry UNDERSCORE christophe AT hotmail DOT com
// This is an extended version of the state machine available in the boost::mpl library
// Distributed under the same license as the original.
// Copyright for the original version:
// Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed
// under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

#ifndef BOOST_MSM_COMMON_H
#define BOOST_MSM_COMMON_H

namespace boost { namespace msm
{
// wrapper for mpl::for_each as showed in the C++ Template Metaprogramming ch. 9
template <class T>
struct wrap{};

// tag to use in grammars where states are seen (init_<<, states_<<...)
struct state_tag{};

} } // boost::msm
#endif //BOOST_MSM_COMMON_H