From: Drew Adams <drew.adams@oracle.com>
To: "Mattias Engdegård" <mattias.engdegard@gmail.com>,
emacs-devel <emacs-devel@gnu.org>
Subject: RE: [External] : Warn about comparing quoted lists (etc) using `eq`
Date: Wed, 14 Dec 2022 18:57:05 +0000 [thread overview]
Message-ID: <CO6PR10MB54736F845648AF1F0475919DF3E09@CO6PR10MB5473.namprd10.prod.outlook.com> (raw)
In-Reply-To: <8D624413-5A6C-46D7-A4EB-53C23F7CC4D3@gmail.com>
> I'm about to push a new byte-compiler warning that finds mistakes like
>
> (eq x '(ho hum))
>
> Ie, attempts to compare, by identity, literals that may not match
> anything at all: quoted lists, strings, floats etc.
The warning could perhaps remind users of `equal'.
It's likely that in at least some cases what they
really meant was (equal x '(ho hum)). And `equal'
takes care of all types (strings etc.).
next prev parent reply other threads:[~2022-12-14 18:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-14 18:17 Warn about comparing quoted lists (etc) using `eq` Mattias Engdegård
2022-12-14 18:29 ` Eli Zaretskii
2022-12-14 20:57 ` Mattias Engdegård
2022-12-14 18:57 ` Drew Adams [this message]
2022-12-15 4:17 ` Juanma Barranquero
2022-12-15 6:34 ` Dr. Arne Babenhauserheide
2022-12-15 7:00 ` Juanma Barranquero
2022-12-15 9:36 ` Mattias Engdegård
2022-12-15 10:06 ` Juanma Barranquero
2022-12-15 10:50 ` Ihor Radchenko
2022-12-15 13:58 ` Mattias Engdegård
2022-12-15 16:13 ` [External] : " Drew Adams
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