CombineLatest(IEnumerable<IObservable<T>> sources) doesn't work with empty Enumerable

[alijaya]

Hello, I'm curious if it's intended if IEnumerable is an empty one, it doesn't fire any event.
I think it makes more sense if it fires once, which is an Empty list.

Is it a good idea?

[neuecc]

Are you suggesting that we generate completed observable if empty?
I think it's not good to have unintended Never appear, so Empty is not a bad suggestion.