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#ifndef BOOST_FSM_STATE_INCLUDED
#define BOOST_FSM_STATE_INCLUDED
// Copyright Aleksey Gurtovoy 2002-2004
//
// 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)
//
// See http://www.boost.org/libs/mpl for documentation.
// $Id: state.hpp 49268 2008-10-11 06:26:17Z agurtovoy $
// $Date: 2008-10-10 23:26:17 -0700 (Fri, 10 Oct 2008) $
// $Revision: 49268 $
#include <boost/mpl/integral_c.hpp>
namespace fsm { namespace aux {
namespace mpl = boost::mpl;
// represent a FSM state
template<
typename T
, long State
, void (T::* invariant_func)() const
>
struct state
: mpl::integral_c<long,State>
{
static long do_check_invariant(T const& x)
{
if (invariant_func) (x.*invariant_func)();
return State;
}
};
}}
#endif // BOOST_FSM_STATE_INCLUDED
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