Re: Elisp - Function returning a list

[steve-humphreys]

> Sent: Wednesday, December 16, 2020 at 6:39 AM
> From: "Emanuel Berg via Users list for the GNU Emacs text editor" 
> <help-gnu-emacs@gnu.org>
> To: help-gnu-emacs@gnu.org
> Subject: Re: Elisp - Function returning a list
>
> steve-humphreys wrote:
>
> > Is using "setq frq" and "setq tim" good
> >
> > (defun agenda-tgrd (&optional tstr tend tskp)
> >    "Sets the time grid for the agenda."
> >    (interactive "n StartTime: \nn EndTime: \nn SkipTime: ")
> >    (let ( (tstr (or tstr 800))
> >           (tend (or tend 1500))
> >           (tskp (or tskp 100))
> >           frq tim)
> >       (setq frq '(daily today))
> >       (setq tim (number-sequence tstr tend tskp))
> >       (setq org-agenda-time-grid `(,frq ,tim "------" "---"))) )
>
> It is better to do all computation in the `let's, then use
> them. No `setq' needed.

Example? Is there anything written about it?

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