From: Drew Adams <drew.adams@oracle.com>
To: Michael Heerdegen <michael_heerdegen@web.de>,
"Basil L. Contovounesios" <contovob@tcd.ie>
Cc: dalanicolai <dalanicolai@gmail.com>,
"47368@debbugs.gnu.org" <47368@debbugs.gnu.org>
Subject: bug#47368: [External] : bug#47368: 28.0.50; map-elt returns nil without "deprecated" TESTFN
Date: Thu, 25 Mar 2021 15:33:34 +0000 [thread overview]
Message-ID: <SA2PR10MB4474D836C620E5AA9460AD95F3629@SA2PR10MB4474.namprd10.prod.outlook.com> (raw)
In-Reply-To: <87lfacvtwt.fsf@web.de>
> > This is expected, as alist keys are tested with eq by default.
Since when? Where? Expected by whom, and by what code?
> > That's what the docstring is trying to warn about: alists default to
> > testing with eq, but can also use eql, equal, or anything else.
>
> Is it that obvious? We have `assoc' and `assq' built-in - to me it's
> not obvious that "alist keys are tested with eq by default". It's the
> default for `alist-get', ok, which is used by the implementation, but
> not everybody will know that. I would add a sentence about that.
+1.
Alists are general. They can be used in many ways.
Their keys can be tested in multiple ways. Neither
code nor doc should assume anything about how an
alist is composed or treated - nothing beyond the
fact that at least some of the list elements are
likely to be conses.
next prev parent reply other threads:[~2021-03-25 15:33 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-24 22:52 bug#47368: 28.0.50; map-elt returns nil without "deprecated" TESTFN dalanicolai
2021-03-24 23:24 ` Basil L. Contovounesios
2021-03-25 2:39 ` Michael Heerdegen
2021-03-25 14:48 ` dalanicolai
2021-03-25 15:33 ` Drew Adams [this message]
2021-03-26 18:47 ` bug#47368: [External] : " Basil L. Contovounesios
2021-03-26 20:04 ` Drew Adams
2021-03-26 20:23 ` Basil L. Contovounesios
2021-03-26 22:40 ` Drew Adams
2021-03-26 22:59 ` Basil L. Contovounesios
2021-03-26 3:59 ` Michael Heerdegen
2021-03-26 7:38 ` dalanicolai
2021-03-26 13:31 ` Stefan Monnier
2021-03-26 15:32 ` dalanicolai
2021-03-26 18:57 ` Basil L. Contovounesios
2021-03-26 23:18 ` Michael Heerdegen
2021-03-27 20:37 ` Basil L. Contovounesios
2021-03-26 23:23 ` Michael Heerdegen
2021-03-26 18:58 ` Basil L. Contovounesios
2021-07-21 15:34 ` Adam Porter
2021-07-22 2:15 ` Michael Heerdegen
2021-07-31 2:15 ` Michael Heerdegen
2021-09-13 14:06 ` Adam Porter
2021-09-14 14:40 ` Michael Heerdegen
2021-09-14 20:22 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-09-15 0:48 ` Michael Heerdegen
2021-09-15 9:26 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-09-15 12:39 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-09-15 21:53 ` Michael Heerdegen
2021-09-15 12:50 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-09-15 21:55 ` Michael Heerdegen
2021-09-21 12:42 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors
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