From: Michael Heerdegen <michael_heerdegen@web.de>
To: Drew Adams <drew.adams@oracle.com>
Cc: Eric Abrahamsen <eric@ericabrahamsen.net>, 34708@debbugs.gnu.org
Subject: bug#34708: alist-get has unclear documentation
Date: Tue, 12 Mar 2019 18:55:56 +0100 [thread overview]
Message-ID: <87imwoyo2b.fsf@web.de> (raw)
In-Reply-To: <5fac8365-68d2-4cc5-b5c3-d2658350ea28@default> (Drew Adams's message of "Tue, 12 Mar 2019 09:18:27 -0700 (PDT)")
Drew Adams <drew.adams@oracle.com> writes:
> > But isn't that trivial? How else could we add associations?
>
> Yes, it's true of `setf' in general. It's still worth repeating, I
> think (just one opinion). One person's "trivial" is another's
> "gotcha".
Actually, it's not even trivial at all. Setting alist-get as place
could also build a new alist, leaving the one stored in the ALIST place
intact, and set place ALIST to the new list. But it potentially
modifies the list stored in place ALIST. That's not inevitable, so it
could be worth telling that.
Michael.
next prev parent reply other threads:[~2019-03-12 17:55 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-02 4:50 bug#34708: alist-get has unclear documentation Miguel V. S. Frasson
2019-03-02 9:25 ` Michael Heerdegen
2019-03-02 15:40 ` Miguel V. S. Frasson
2019-03-02 18:10 ` Michael Heerdegen
2019-03-02 19:06 ` Eric Abrahamsen
2019-03-03 0:15 ` Phil Sainty
2019-03-03 12:50 ` Michael Heerdegen
2019-03-19 1:35 ` Michael Heerdegen
2019-03-02 19:51 ` Miguel V. S. Frasson
2019-03-02 20:32 ` Eric Abrahamsen
2019-03-03 11:32 ` Miguel V. S. Frasson
2019-03-03 12:21 ` Michael Heerdegen
2019-03-03 15:51 ` Drew Adams
2019-03-03 16:49 ` Eric Abrahamsen
2019-03-04 16:24 ` Eric Abrahamsen
2019-03-04 16:38 ` Michael Heerdegen
2019-03-04 17:16 ` Eric Abrahamsen
2019-03-04 18:22 ` Michael Heerdegen
2019-03-04 22:49 ` Eric Abrahamsen
2019-03-05 12:35 ` Michael Heerdegen
2019-03-05 22:50 ` Eric Abrahamsen
2019-03-06 0:16 ` Drew Adams
2019-03-11 13:39 ` Michael Heerdegen
2019-03-11 14:52 ` Drew Adams
2019-03-11 16:19 ` Michael Heerdegen
2019-03-11 17:48 ` Drew Adams
2019-03-12 13:04 ` Michael Heerdegen
2019-03-12 14:48 ` Drew Adams
2019-03-12 16:08 ` Michael Heerdegen
2019-03-12 16:48 ` Drew Adams
2019-03-12 17:45 ` Michael Heerdegen
2019-03-12 13:12 ` Michael Heerdegen
2019-03-12 14:53 ` Drew Adams
2019-03-12 15:38 ` Michael Heerdegen
2019-03-12 16:18 ` Drew Adams
2019-03-12 17:55 ` Michael Heerdegen [this message]
2019-03-15 15:54 ` Michael Heerdegen
2019-03-15 18:48 ` Eric Abrahamsen
2019-03-27 22:31 ` Michael Heerdegen
2019-04-19 1:33 ` Michael Heerdegen
2019-04-19 2:24 ` bug#34708: Thanks Miguel V. S. Frasson
2019-04-19 4:18 ` Michael Heerdegen
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