Barry writes:
> I do not understand how xor(iterator) works.
> I thought xor takes exactly 2 args.
See
https://mathworld.wolfram.com/XOR.html
for some background (I was not aware of any generalizations for more
than 2 arguments either).
> I also do not understand how xor can be short circui
writes:
> As an example, you can create a named slice such as:
>
> middle_by_two = slice(5, 10, 2)
>
> The above is not in any sense pointing at anything yet.
>From a functional programming point of view this just looks like a
partially applied function, and with this in mind the behaviour to
