From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#56641: Deprecate `lsh` Date: Sat, 23 Jul 2022 09:26:04 +0200 Message-ID: <87a69047eb.fsf@gnus.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="37192"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: 56641@debbugs.gnu.org To: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Jul 23 09:27:22 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 1oF9Xm-0009Us-A6 for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 23 Jul 2022 09:27:22 +0200 Original-Received: from localhost ([::1]:51224 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oF9Xk-0004tM-Qb for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 23 Jul 2022 03:27:20 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:33466) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oF9XS-0004sx-D4 for bug-gnu-emacs@gnu.org; Sat, 23 Jul 2022 03:27:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:53399) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oF9XS-000314-45 for bug-gnu-emacs@gnu.org; Sat, 23 Jul 2022 03:27:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oF9XR-0005Gw-UE for bug-gnu-emacs@gnu.org; Sat, 23 Jul 2022 03:27:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 23 Jul 2022 07:27:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 56641 X-GNU-PR-Package: emacs Original-Received: via spool by 56641-submit@debbugs.gnu.org id=B56641.165856117820193 (code B ref 56641); Sat, 23 Jul 2022 07:27:01 +0000 Original-Received: (at 56641) by debbugs.gnu.org; 23 Jul 2022 07:26:18 +0000 Original-Received: from localhost ([127.0.0.1]:43148 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oF9Wj-0005Fd-TZ for submit@debbugs.gnu.org; Sat, 23 Jul 2022 03:26:18 -0400 Original-Received: from quimby.gnus.org ([95.216.78.240]:47776) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oF9Wh-0005FF-FW for 56641@debbugs.gnu.org; Sat, 23 Jul 2022 03:26:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID :Date:References:In-Reply-To:Subject:Cc:To:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=am2K4cGMZOltFd/eTgMNBN6QIHJsYolLPv1CLLnpvYg=; b=tjnoMZ9YMBoEFjJa4bfn0/8HK/ XJ5BU1aBvJsampRYmhPPqOz1MBC9cZo4I/xWnKqhjAnHplvJoDT/Au2oF/PG+7hVPBDRUQYEA/it+ r6BJ/TRzeK0ZiH8ebbdIrATd+FA7p3djYIcn8KZTrdOCZ/RCdOOR+mgxPB6XUFHI3c0s=; Original-Received: from [84.212.220.105] (helo=joga) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oF9WX-0008DW-5k; Sat, 23 Jul 2022 09:26:07 +0200 In-Reply-To: ("Mattias =?UTF-8?Q?Engdeg=C3=A5rd?="'s message of "Tue, 19 Jul 2022 15:38:29 +0200") X-Now-Playing: Boris's _COSMOS Re-Master + Live_: "Cosmos Part 3" 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:237686 Archived-At: Mattias Engdeg=C3=A5rd writes: > The function `lsh` works almost like `ash` but is much slower, cannot > be constant-folded by the compiler, and above all has confusing > semantics for historical reasons. Using `lsh` instead of `ash` is > always a mistake. > > For these reasons we should deprecate `lsh`. It is not important to > remove it as soon as possible, but to dissuade people from > accidentally using it in their code. I agree. I think the presence of `lsh' just confuses people. Even when Emacs didn't have bignums it was pretty odd, but I have absolutely no idea what any theoretical use case would be today.