public void RegisterReactor <T>(IReactor <T> reactor) where T : IEvent
{
Type eventType = typeof(T);
if (!reactorCallbacks.ContainsKey(eventType))
{
reactorCallbacks.Add(eventType, new List <Func <IEvent, Task> >());
}
Func <IEvent, Task> delegateFunction = async(IEvent evt) => await reactor.OnAsync((T)evt);
reactorCallbacks[eventType].Add(delegateFunction);
}
