From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#71120: 29.3; buglet in cl-loop Date: Wed, 29 May 2024 21:45:26 -0400 Message-ID: References: <23fd70f8-6e01-45d7-b9f9-d81d53c95ffd@lmf.cnrs.fr> <87cyp4wdj7.fsf@posteo.net> Reply-To: Stefan Monnier Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="11973"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: 71120@debbugs.gnu.org, Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= , Philip Kaludercic , Philippe Schnoebelen To: Andrea Corallo Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu May 30 03:46:08 2024 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 1sCUro-0002vs-KG for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 30 May 2024 03:46:08 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sCUra-0002DO-Cp; Wed, 29 May 2024 21:45:54 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sCUrY-0002CM-RZ for bug-gnu-emacs@gnu.org; Wed, 29 May 2024 21:45:52 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sCUrY-0007N1-JK for bug-gnu-emacs@gnu.org; Wed, 29 May 2024 21:45:52 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1sCUri-0000Ix-Df for bug-gnu-emacs@gnu.org; Wed, 29 May 2024 21:46:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 30 May 2024 01:46:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 71120 X-GNU-PR-Package: emacs Original-Received: via spool by 71120-submit@debbugs.gnu.org id=B71120.17170335451138 (code B ref 71120); Thu, 30 May 2024 01:46:02 +0000 Original-Received: (at 71120) by debbugs.gnu.org; 30 May 2024 01:45:45 +0000 Original-Received: from localhost ([127.0.0.1]:38425 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sCUrR-0000IH-Fo for submit@debbugs.gnu.org; Wed, 29 May 2024 21:45:45 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:43181) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sCUrP-0000Hy-R5 for 71120@debbugs.gnu.org; Wed, 29 May 2024 21:45:44 -0400 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id CDC54100043; Wed, 29 May 2024 21:45:27 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1717033526; bh=t1efKYalRZ2LE9l4ZxgP5CHNT3lBAhC3xpSLRC8g83k=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=jdA9RD0cdeFgchIERnMa/afjLboZLJT6Fqr0CzbYlQ4Rtit+cPe2qYPEWNk3PkTRN 5u6IAHikA3Ly02uDYO8hSEuvLXwBkLX1/LtXRkJeoyArmFSCwaCsPNmQD+kmuxIvEK lDKGFKuPGWMQ/tBM9wEqrcEKlcADCKCGZJrFAQf81WbzTKj9c4Q2qls2hZSZQ+MoAf eNx7DCFOOgd6GP4MRmXKbIKs6h/z7sF7SU8oUvjpuxftGGuuchr1R9ai/Nh+byWiCM n5HcnhPYKuXAUT+fvArzeUsDie+qAjbb1Nk3U4zU+WETSOVmyvD9pYCtErVYk/FJ+8 SiAM2f4X8YCaw== Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id E19A410002E; Wed, 29 May 2024 21:45:26 -0400 (EDT) Original-Received: from pastel (unknown [24.140.236.196]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id A7321120209; Wed, 29 May 2024 21:45:26 -0400 (EDT) In-Reply-To: (Andrea Corallo's message of "Wed, 29 May 2024 17:33:49 -0400") 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:286191 Archived-At: >> (let* (( 1) (--cl-var-- nil)) >> (while (<= 100) >> (let ((_i )) >> (setq --cl-var-- (cons (random 6) --cl-var--)) >> (setq (+ 1)))) >> (nreverse --cl-var--)) >> >> I have added Mattias and Stefan to the CCs, as they'll probably have >> more qualified comments to add. Not really: There's a similar problem with `cl-destructuring-bind` and similarly, when I started to look at the corresponding code I quickly gave up. At least for `cl-destructuring-bind` I think I understand the intended behavior well enough that I might be able to implement code which behaves as we want (tho I don't know how to *modify* the existing code to reach that stage). In the case of `cl-loop` the intended behavior is much too complex for my poor head, so I don't think I'd be able to decide whether it does the right thing for all cases. Stefan