public void Handle(IHandleResult <T> handler)
{
switch (Type)
{
case EventType.Data:
handler.HandleData(Data);
break;
case EventType.Done:
handler.HandleDone();
break;
case EventType.ErrorAndDone:
handler.HandleError(Error);
handler.HandleDone();
break;
default: throw new ArgumentOutOfRangeException();
}
}
public void AndThen(IHandleResult <TOut> downstream)
{
ResultGenerated += evt => evt.Handle(downstream);
_listeners.Add(downstream);
}