ceph/src/boost/libs/mpl/example/fsm/aux_/event.hpp

   1
   2 #ifndef BOOST_FSM_EVENT_INCLUDED
   3 #define BOOST_FSM_EVENT_INCLUDED
   4
   5 // Copyright Aleksey Gurtovoy 2002-2004
   6 //
   7 // Distributed under the Boost Software License, Version 1.0.
   8 // (See accompanying file LICENSE_1_0.txt or copy at
   9 // http://www.boost.org/LICENSE_1_0.txt)
  10 //
  11 // See http://www.boost.org/libs/mpl for documentation.
  12
  13 // $Id$
  14 // $Date$
  15 // $Revision$
  16
  17 #include "base_event.hpp"
  18
  19 namespace fsm { namespace aux {
  20
  21 template< typename Derived >
  22 struct event
  23     : base_event
  24 {
  25  public:
  26     typedef base_event base_t;
  27
  28  private:
  29     virtual std::auto_ptr<base_event> do_clone() const
  30     {
  31         return std::auto_ptr<base_event>(
  32               new Derived(static_cast<Derived const&>(*this))
  33             );
  34     }
  35 };
  36
  37 }}
  38
  39 #endif // BOOST_FSM_EVENT_INCLUDED