Blame view

3rdparty/boost_1_81_0/boost/msm/event_traits.hpp 1.12 KB
63e88f80   Hu Chunming   提交三方库
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
  // Copyright 2008 Christophe Henry
  // henry UNDERSCORE christophe AT hotmail DOT com
  // This is an extended version of the state machine available in the boost::mpl library
  // Distributed under the same license as the original.
  // Copyright for the original version:
  // Copyright 2005 David Abrahams and Aleksey Gurtovoy. 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)
  
  #ifndef BOOST_MSM_EVENT_TRAITS_H
  #define BOOST_MSM_EVENT_TRAITS_H
  
  #include <boost/any.hpp>
  #include <boost/mpl/bool.hpp>
  
  namespace boost { namespace msm
  {
  
  template< typename Event > 
  struct is_kleene_event
  {
    // default: no event is a kleene event (kleene: matches any event in a transitions)
    typedef ::boost::mpl::false_ type;
  };
  
  // add this way in this namespace specializations for events which you want to use as kleene
  // requirement: a copy-constructor matching the events which will be converted to this kleene
  template<> 
  struct is_kleene_event< boost::any >
  { 
    typedef ::boost::mpl::true_ type;
  };
  
  } } // boost::msm
  #endif //BOOST_MSM_EVENT_TRAITS_H