forked from boostorg/mpl
45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
//-----------------------------------------------------------------------------
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// boost fsm/base_event.hpp header file
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// See http://www.boost.org for updates, documentation, and revision history.
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//-----------------------------------------------------------------------------
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//
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// Copyright (c) 2002
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// Aleksey Gurtovoy
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//
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// Permission to use, copy, modify, distribute and sell this software
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// and its documentation for any purpose is hereby granted without fee,
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// provided that the above copyright notice appears in all copies and
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// that both the copyright notice and this permission notice appear in
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// supporting documentation. No representations are made about the
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// suitability of this software for any purpose. It is provided "as is"
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// without express or implied warranty.
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#ifndef BOOST_FSM_BASE_EVENT_INCLUDED
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#define BOOST_FSM_BASE_EVENT_INCLUDED
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#include <memory>
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namespace fsm {
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namespace aux {
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// represent an abstract base for FSM events
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struct base_event
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{
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public:
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virtual ~base_event() {};
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std::auto_ptr<base_event> clone() const
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{
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return do_clone();
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}
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private:
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virtual std::auto_ptr<base_event> do_clone() const = 0;
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};
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} // namespace aux
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} // namespace fsm
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#endif // BOOST_FSM_BASE_EVENT_INCLUDED
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