Hi,
> I'm still confused as to the two types of NULL.
>
> Well, *I think* the main point is that nothing is an instance of the type
Nothing, while None is itself a type ("the bottom of the type graph"). In
the context of intersect it seems to make sense to return an object or
nothing.
> I changed None to nothing. It's not really called enough to be a
> difference, but if it's more "julia-ish" I'll go with it.
>
> After posting I also realized that this will most likely not matter :-/
BTW, have you actually tried julia 0.3-prerelease? This might also make a
difference ...
Best,
Alex.