From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: "Basil L. Contovounesios" Newsgroups: gmane.emacs.bugs Subject: bug#47368: 28.0.50; map-elt returns nil without "deprecated" TESTFN Date: Sat, 27 Mar 2021 20:37:23 +0000 Message-ID: <87r1k0nxj0.fsf@tcd.ie> References: <87sg4kyw1q.fsf@tcd.ie> <87lfacvtwt.fsf@web.de> <87blb6h8f2.fsf@web.de> <87y2e9zqt2.fsf@tcd.ie> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1400"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Michael Heerdegen , dalanicolai , Stefan Monnier , 47368@debbugs.gnu.org To: Nicolas Petton Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Mar 27 21:38:10 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lQFhB-0000G8-MW for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 27 Mar 2021 21:38:09 +0100 Original-Received: from localhost ([::1]:33340 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lQFhA-00085V-K9 for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 27 Mar 2021 16:38:08 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39116) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lQFh4-00085M-9w for bug-gnu-emacs@gnu.org; Sat, 27 Mar 2021 16:38:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:33483) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lQFh4-0003f3-0J for bug-gnu-emacs@gnu.org; Sat, 27 Mar 2021 16:38:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lQFh3-0000RG-Rv for bug-gnu-emacs@gnu.org; Sat, 27 Mar 2021 16:38:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: "Basil L. 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Contovounesios's message of "Fri, 26 Mar 2021 18:57:13 +0000") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:203138 Archived-At: Trying the CC again, this time with a hopefully correct address. Sorry about the noise. "Basil L. Contovounesios" writes: > Stefan Monnier writes: > >>> What's a good way to solve this? Obviously the map abstraction doesn't >>> fit so super well for alists because unlike the other map type alists >>> don't know "their" test function. But disallowing alists that don't >>> test with `eq' seems an unnecessary restriction. Can we say that the >>> argument is allowed only for alists? >> >> How 'bout always using `equal`? > > No objections here. CCing Nicolas in case he has any comments. > > Just some code archaeology for more context: > > - Pre-Emacs-25 map-elt used assoc. > - Emacs 25 map-elt used alist-get without TESTFN. > - Emacs 26 map-elt gained TESTFN at the same time that alist-get did, > in https://bugs.gnu.org/27584. > - Emacs 27 deprecated map-elt's TESTFN. -- Basil