public static IEventActor GetOrCreateEventActor(this IUntypedActorContext system, string name,
                                                        bool killOnFirstResponse = false)
        {
            var child = system.Child(name);

            return(child.Equals(ActorRefs.Nobody)
                ? EventActor.Create(system, name, killOnFirstResponse)
                : EventActor.From(child));
        }
 public static Maybe <IEventActor> GetOrCreateEventActor(this IUntypedActorContext system, Maybe <string> name, bool killOnFirstResponse = false)
 => from realName in name
 from child in system.TryGetChild(name)
 select child.IsNobody()
                   ? EventActor.Create(system, name, killOnFirstResponse)
                   : EventActor.From(child);