[REBOL] Re: Loop with negative count
From: tim-johnsons::web::com at: 27-Dec-2006 19:23
* Gregg Irwin <greggirwin-mindspring.com> [061227 17:14]:
> Hi Tim,
> TJ> Can we reliably expect that a negative argument will be ignored?
>
> So far. :) In the case of LOOP and REPEAT, it seems safe to say that
> negative values make no sense, and will always be ignored. Others may
> argue that REBOL should throw an error, but I imagine Carl considered
> that behavior and chose not to do it, so you're probably safe. Maybe
> we can get a quick answer from him to be sure though.
to throw or not to throw, that is the question ...
actually, always a good one to ask. I write my own code with
a lot of throws.....
> I wouldn't feel safe saying the same thing about all other functions.
> For example, FORSKIP/FORALL changed, but hopefully for the better
> since negative numbers would loop forever before, and now throw an
> error.
Thanks Gregg
<grin> BTW: that posting was sent on December 19. Where've y'all
been? </grin>
tim
> -- Gregg
>
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--
Tim Johnson <tim-johnsons-web.com>
http://www.alaska-internet-solutions.com
