GNU bug report logs - #47992
27; 28; Phase out use of `equal` in `add-hook`, `remove-hook`

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Package: emacs;

Reported by: Daniel Mendler <mail <at> daniel-mendler.de>

Date: Sat, 24 Apr 2021 12:12:01 UTC

Severity: normal

Tags: fixed

Fixed in version 28.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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Message #44 received at 47992 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: Daniel Mendler <mail <at> daniel-mendler.de>,
 "jakanakaevangeli <at> chiru.no" <jakanakaevangeli <at> chiru.no>,
 "47992 <at> debbugs.gnu.org" <47992 <at> debbugs.gnu.org>
Subject: Re: [External] : bug#47992: 27; 28; Phase out use of `equal` in
 `add-hook`, `remove-hook`
Date: Sat, 24 Apr 2021 23:10:21 -0400

> Please elaborate.  Comparing lambda forms using `eq'?
> Not clear to me how that works in the general case.
>
>  (eq (lambda () foo) (lambda () foo)) ?
>
> I don't see that it works at all, let alone works more
> often than the current way:
>  (equal (lambda () foo) (lambda () foo))

IOW, you don't have an opinion either way on the proposed change of semantics.


        Stefan
This bug report was last modified 3 years and 323 days ago.

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