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Re: How to avoid compiler warning `unused lexical variable' for `dolist'


From: Jean Louis
Subject: Re: How to avoid compiler warning `unused lexical variable' for `dolist' or `dotimes'?
Date: Fri, 8 Jan 2021 04:03:25 +0300
User-agent: Mutt/2.0 (3d08634) (2020-11-07)

* Stefan Monnier <monnier@iro.umontreal.ca> [2021-01-07 18:41]:
> > The discussion in that bug implies that it won't get fixed. Probably
> > we should discourage the three-argument form more strongly, e.g. by
> > removing it from the documentation and changing the advertised calling
> > convention.
> 
> Indeed, I don't like this 3-arg form of `dotimes` and `dolist` because
> it tends to "hide" the return value.  But we keep it because there's
> something to be said for not being "gratuitously" different from
> Common-Lisp.

I do not see how it hides when I know how it is used from Common
Lisp. So I look there in third value and I know which one will be
returned.



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