Re: Check whether an object is an alist

[Manuel Giraud via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>]

Heime <heimeborgia@protonmail.com> writes:

> Sent with Proton Mail secure email.
>
> On Monday, September 16th, 2024 at 10:29 PM, Heime <heimeborgia@protonmail.com> wrote:
>
>> Is there a function that checks whether an object is an alist.
>> Have only found listp.
>
> Because I may have to come up with a solution, I have made this one.
> Am I missing anything ?
>
> (defun torium-alist-p (obj)
>   "Return t if object OBJ is an association list (alist)."
>   (and (listp obj)
>        (not (null obj))
>        (every (lambda (x)
>                 (and (consp x)
>                      (not (null x))))
>               obj)))

Looks good to me.  I think it should `cl-every' instead of `every' and
also, maybe, nil is a valid empty alist.
-- 
Manuel Giraud