forked from bkinnightskytw/event_transformer
54 lines
1.1 KiB
C++
54 lines
1.1 KiB
C++
#pragma once
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using namespace std;
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template<class... EventTypes>
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class EventList;
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template<>
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class EventList<>
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{
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public:
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template<typename EvntLists, typename EVT>
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friend void dispatch(EvntLists* evnt_list_ptr, EVT evt);
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template<typename EvntLists, typename EVT>
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friend void dispatch(EvntLists evnt_list, EVT evt);
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};
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template<typename EvntLists, typename EVT>
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void
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dispatch(EvntLists* evnt_list_ptr, EVT evt)
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{
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static_cast<EventList<EVT>*>(evnt_list_ptr)->dispatch(evt);
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}
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template<typename EvntLists, typename EVT>
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void
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dispatch(EvntLists evnt_list, EVT evt)
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{
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static_cast<EventList<EVT>&>(evnt_list).dispatch(evt);
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}
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/**
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* @todo addition type but without trigger ambiguous error.
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*/
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template<class Event>
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class EventList<Event> : public virtual EventList<>
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{
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public:
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virtual void dispatch(const Event&) = 0;
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// virtual void dispatch(Event&)
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// {
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// cout << "default cb\n";
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// };
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// virtual void dispatch(const Event)
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// {
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// cout << "default cb\n";
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// };
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};
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template<class Event, class... Others>
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class EventList<Event, Others...>
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: public EventList<Event>
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, public EventList<Others...>
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{}; |