internal OperationsQueue()
{
resultObs = queuedOps
.Select(operation =>
// Defer Processing of the operation until subscribed to
Observable.Defer(() => operation.EvaluateFunc().ToObservable()))
.Concat()
.Multicast(new Subject <Unit>());
resultObs.Connect();
dispose = new Lazy <Task>(() =>
{
queuedOps.OnCompleted();
return(resultObs.LastOrDefaultAsync().ToTask());
}, LazyThreadSafetyMode.ExecutionAndPublication);
}