nWayUnion(tuple)?

[bearophile]

Ali Çehreli:

> It is not very pretty, but to match the elements of that array, 
> there is inputRangeObject:

OK.


> Phobos could have a function so that the code could be cleaner. 
> A function that supports "treat these as InputRanges of ints":
>
>     nWayUnion(inputRanges(a, b, c));
>
> But it is not there. :)

If we add an overload of nWayUnion (better named nWayMerge: 
http://d.puremagic.com/issues/show_bug.cgi?id=6718 ) then there's 
no need to use inputRangeObject...

The question is how much common my use case (mixed type 
iterables) is.

Thank you,
bearophile