37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
// Copyright 2008 Christophe Henry
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// henry UNDERSCORE christophe AT hotmail DOT com
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// This is an extended version of the state machine available in the boost::mpl library
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// Distributed under the same license as the original.
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// Copyright for the original version:
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// Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed
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// under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_MSM_EVENT_TRAITS_H
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#define BOOST_MSM_EVENT_TRAITS_H
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#include <boost/any.hpp>
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#include <boost/mpl/bool.hpp>
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namespace boost { namespace msm
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{
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template< typename Event >
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struct is_kleene_event
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{
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// default: no event is a kleene event (kleene: matches any event in a transitions)
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typedef ::boost::mpl::false_ type;
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};
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// add this way in this namespace specializations for events which you want to use as kleene
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// requirement: a copy-constructor matching the events which will be converted to this kleene
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template<>
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struct is_kleene_event< boost::any >
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{
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typedef ::boost::mpl::true_ type;
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};
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} } // boost::msm
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#endif //BOOST_MSM_EVENT_TRAITS_H
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