Re: cl-dolist, dolist, cl-return,

[Emanuel Berg <embe8573@student.uu.se>]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> Just once. Besides inefficiency, evaluating it
>> every time would lead to wrong results.
>
> Right, the question often makes sense for loop
> boundary computations, but for this specific case,
> if you think enough about it, it makes no sense to
> re-evaluate it: you'd have to use an index into the
> list, and at each iteration, increment the index,
> recompute the list, and do an (nth <index> <list>),
> which would overall be *really* inefficient.

No, of course I don't want to re-evaluate it! I didn't
think it did re-evaluate, but I wasn't sure so
I thought about putting it in a `let' before
asking here. It is good I don't have to.

-- 
underground experts united
http://user.it.uu.se/~embe8573