Really rough and contrived so far, but RxJava does...

# datascience

[thomasnield]

Really rough and contrived so far, but RxJava does stuff like this a lot, accepting differing type arguments instead of vararg. http://reactivex.io/RxJava/javadoc/rx/Observable.html#zip(java.lang.Iterable,%20rx.functions.FuncN)