bug#69470: bug in cl-return-from

[Robert Boyer]

Got it.  Thank you so very much.

Bob

On Thu, Feb 29, 2024 at 10:59 AM Andrea Corallo <acorallo@gnu.org> wrote:

Robert Boyer <robertstephenboyer@gmail.com> writes:

> It is almost certainly a bug in the definition of cl-return-from that the following
> does not work.  I have no idea whether it is possible to fix.  Could be really hard
> or undesirable to fix.  I know nothing.
>
> Emacs is great beyond words.
>
> Thanks so much,
>
> Bob
>
>   (defun foo () (cl-return-from foo 3))
>   (foo)
>
> I strongly believe that in Common Lisp, every (defun foo ...) wraps
> a block named foo around the ...

Hi Bob,

unfortunately or not, this is elisp not CL :)

If you want to do that the following works:

(cl-defun foo () (cl-return-from foo 3))
(foo) => 3

Best Regards

  Andrea