Subject: Re: need help with lists
From: rpw3@rpw3.org (Rob Warnock)
Date: Wed, 24 Oct 2007 04:09:59 -0500
Newsgroups: comp.lang.lisp
Message-ID: <BO-dnRh7y_F6loLanZ2dnUVZ_oGjnZ2d@speakeasy.net>
Ken Tilton  <kentilton@gmail.com> wrote:
+---------------
| Rob Warnock wrote:
| > Ken Tilton  <kentilton@gmail.com> wrote:
| > +---------------
| > | That was mine until I remembered a requirement that the solution be 
| > | "side-effect safe", which I assume is a misreporting of the teacher's 
| > | requirement that it be "side-effect free".
| > +---------------
| > 
| > I didn't read it that way, which is why I thought using LOOP...COLLECT
| > would be fine.
| > To me, "side-effect safe" meant that the *inputs* were to be safe
| > from side effects...
| 
| Are you trying to say "non-destructive"? :)
+---------------

Yeah, probably, as in "safe to pass quoted constants to".

+---------------
| Your guess is as good as mine (literally!), we won't know until the OP 
| starts a "Lisp Sucks" blog blaming you setf-happy people for his 
| flunking out of school and ending up living under a bridge in Florida.
+---------------

As I pointed out, one can't be *sure* that LOOP...COLLECT uses SETFs
under the hood in the student's CL implementation. It doesn't *have* to.

+---------------
| Hope yer happy!
+---------------

Happy, happy, joy, joy, John Spartan! May you have a tranquil day!


-Rob

-----
Rob Warnock			<rpw3@rpw3.org>
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