From: Drew Adams <drew.adams@oracle.com>
To: "rms@gnu.org" <rms@gnu.org>, Lars Ingebrigtsen <larsi@gnus.org>
Cc: "25929@debbugs.gnu.org" <25929@debbugs.gnu.org>,
"nicolas@petton.fr" <nicolas@petton.fr>,
"tino.calancha@gmail.com" <tino.calancha@gmail.com>
Subject: bug#25929: 25.2; map-delete doesn't delete permanently 1st alist elt
Date: Thu, 28 Apr 2022 16:00:23 +0000 [thread overview]
Message-ID: <SJ0PR10MB54885DA344D87189D12DE39AF3FD9@SJ0PR10MB5488.namprd10.prod.outlook.com> (raw)
In-Reply-To: <E1njuee-00022n-BQ@fencepost.gnu.org>
> It is a natural consequence of list structure that
> deleting the first element doesn't do it destructively,
> so you need to do (setq foo (delq elt foo))
>
> This is a general principal of deletion in Lisp, so
> let's teach it to people rather than trying to help
> people avoid the need to learn it.
+1.
prev parent reply other threads:[~2022-04-28 16:00 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-02 7:17 bug#25929: 25.2; map-delete doesn't delete permanently 1st alist elt Tino Calancha
2017-03-02 8:56 ` Nicolas Petton
2017-03-02 10:59 ` Nicolas Petton
2017-03-02 11:30 ` Tino Calancha
2017-03-02 12:27 ` Nicolas Petton
2017-03-02 12:34 ` Nicolas Petton
2017-03-02 13:34 ` Tino Calancha
2017-03-02 15:12 ` Stefan Monnier
2017-03-04 0:04 ` Michael Heerdegen
2017-03-04 0:16 ` Michael Heerdegen
2017-03-21 20:41 ` Lars Ingebrigtsen
2017-03-22 11:55 ` Michael Heerdegen
2017-03-22 12:01 ` Lars Ingebrigtsen
2017-03-22 12:56 ` Noam Postavsky
2017-03-22 13:31 ` Lars Ingebrigtsen
2017-03-22 14:43 ` Michael Heerdegen
2017-03-22 17:04 ` Stefan Monnier
2017-03-22 17:23 ` Lars Ingebrigtsen
2017-03-22 20:31 ` Stefan Monnier
2017-03-22 17:02 ` Stefan Monnier
2017-03-29 15:25 ` bug#25929: 25.2; plists and map-* Lars Ingebrigtsen
2017-03-29 15:36 ` Nicolas Petton
2017-03-21 11:35 ` bug#25929: 25.2; map-delete doesn't delete permanently 1st alist elt Nicolas Petton
2017-03-21 15:11 ` Stefan Monnier
2017-03-21 18:06 ` Nicolas Petton
2017-03-21 20:29 ` Stefan Monnier
2017-04-26 7:58 ` Nicolas Petton
2017-03-02 12:36 ` npostavs
2017-03-02 12:45 ` Nicolas Petton
2022-04-26 13:34 ` Lars Ingebrigtsen
2022-04-28 3:17 ` Richard Stallman
2022-04-28 16:00 ` Drew Adams [this message]
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