GNU bug report logs - #50219
28.0.50; Provide better errors when trying to specialize on optional args in generic methods

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Message #8 received at 50219 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Eric Abrahamsen <eric <at> ericabrahamsen.net>
Cc: 50219 <at> debbugs.gnu.org, Stefan Monnier <monnier <at> iro.umontreal.ca>
Subject: Re: bug#50219: 28.0.50; Provide better errors when trying to
 specialize on optional args in generic methods
Date: Fri, 27 Aug 2021 02:34:49 +0200

Eric Abrahamsen <eric <at> ericabrahamsen.net> writes:

> - the manual section on "Generic Functions" could say explicitly that
>   you can't specialize on optional arguments
> - `eval'ling the `defmethod' form above could raise an error directly
> - the compiler could say more explicitly what the problem is
>
> I'd favor all three of these changes!

Me, too.

> Happy to implement what I can (maybe not the compiler part).

I've added Stefan to the CCs; perhaps he has some comments.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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