forked from boostorg/mpl
Aleksey Gurtovoy
1bba6367cc
https://svn.boost.org/svn/boost/trunk ........ r49240 | agurtovoy | 2008-10-10 04:21:07 -0500 (Fri, 10 Oct 2008) | 1 line $Source$ -> $Id$ ........ [SVN r49268]
43 lines
802 B
C++
43 lines
802 B
C++
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#ifndef BOOST_FSM_STATE_INCLUDED
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#define BOOST_FSM_STATE_INCLUDED
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// Copyright Aleksey Gurtovoy 2002-2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Id$
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// $Date$
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// $Revision$
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#include <boost/mpl/integral_c.hpp>
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namespace fsm { namespace aux {
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namespace mpl = boost::mpl;
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// represent a FSM state
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template<
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typename T
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, long State
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, void (T::* invariant_func)() const
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>
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struct state
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: mpl::integral_c<long,State>
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{
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static long do_check_invariant(T const& x)
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{
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if (invariant_func) (x.*invariant_func)();
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return State;
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}
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};
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}}
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#endif // BOOST_FSM_STATE_INCLUDED
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