ecency-mobile/ios/Pods/boost-for-react-native/boost/msm/event_traits.hpp

37 lines
1.2 KiB
C++

// 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