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" via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#58531: 29.0.50; Wrong predicate used by map-elt gv getter Date: Sat, 15 Oct 2022 16:18:54 +0300 Message-ID: <8735bpw7gh.fsf@tcd.ie> References: <87r0zaxeox.fsf@tcd.ie> <874jw6xe9h.fsf@tcd.ie> <87bkqd4bqw.fsf@gnus.org> Reply-To: "Basil L. Contovounesios" Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="34899"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Stefan Monnier , 58531@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Oct 15 15:31:51 2022 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 1ojhGZ-0008t3-FY for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 15 Oct 2022 15:31:51 +0200 Original-Received: from localhost ([::1]:35038 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ojhGY-00084n-GT for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 15 Oct 2022 09:31:50 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51540) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ojh5A-0001QY-Ja for bug-gnu-emacs@gnu.org; Sat, 15 Oct 2022 09:20:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:40696) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ojh58-0002ja-FJ for bug-gnu-emacs@gnu.org; Sat, 15 Oct 2022 09:20:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ojh57-0006TH-W4 for bug-gnu-emacs@gnu.org; Sat, 15 Oct 2022 09:20:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: "Basil L. 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Contovounesios" writes: > >> - The predicate in plist-get & co. being called with flipped arguments >> compared to assoc & alist-get > > Hm... the latter sounds like something that could lead to obscure bugs > in callers out there. How so? The predicate argument is new in Emacs 29, and the order of its arguments is undocumented, so no-one should be relying on it yet. I just didn't see a reason why it should differ between plist-get and assoc when Emacs 29 is released. -- Basil