From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Installing cond* in core Date: Wed, 20 Mar 2024 18:54:49 -0400 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="25872"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: emacs-devel@gnu.org To: Richard Stallman Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Mar 20 23:57:46 2024 Return-path: Envelope-to: ged-emacs-devel@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 1rn4sU-0006Yk-DU for ged-emacs-devel@m.gmane-mx.org; Wed, 20 Mar 2024 23:57:46 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rn4rt-0002tW-49; Wed, 20 Mar 2024 18:57:09 -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 1rn4rr-0002tG-NV for emacs-devel@gnu.org; Wed, 20 Mar 2024 18:57:07 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rn4rp-0002Tx-8v; Wed, 20 Mar 2024 18:57:06 -0400 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id EDA4A10005D; Wed, 20 Mar 2024 18:57:02 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1710975422; bh=zSMCFyGXirj/pLkx3ratjpv44D1tdzIcmbufo+exnP4=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=GjulbIZ0w3NQ2RUGCELs/WA2+dC2haqfCAl7LCIU00/xP/jfsRBx2CYv+J/7RLgWI Iyvg7ds2s+dK785+o9vxaR4e2Uhzk/ftWrMY9UDUI0ruzyepOV6bD/9+x577POcf+p R1T1U+05bUQymmFrUsBcoQGJ0JoBy126xZWNS+m4gk9QVaSjZIaTRywlzopZzhfjW4 oDm2HmcVlRa6jAuyN8zhTIxdyISy2dPiBzGWP915K52y4NBgvQJfhajr4p1mG34Jo5 MCUde7R+uGnsE19rz4nQx2812Y9gmFlzr6Dwi3HFsLXDWwZlvhpmQOPtudyLUQpYkd 7zqr+BxkZgdSA== Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 0D3B6100046; Wed, 20 Mar 2024 18:57:02 -0400 (EDT) Original-Received: from lechazo (lechon.iro.umontreal.ca [132.204.27.242]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 00ED4120642; Wed, 20 Mar 2024 18:57:01 -0400 (EDT) In-Reply-To: (Richard Stallman's message of "Wed, 20 Mar 2024 18:40:32 -0400") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:317219 Archived-At: > [[[ To any NSA and FBI agents reading my email: please consider ]]] > [[[ whether defending the US Constitution against all enemies, ]]] > [[[ foreign or domestic, requires you to follow Snowden's example. ]]] > > > does that mean that the semantics you provide is in ALWAYS, the vars > > bound by PAT are bound to the matched values when PAT did match and they > > are all bound to nil otherwise? > > That is what makes sense, and that is what I think the code does. OK, so it "behaves the same" as what Pcase does for `(or PAT _)`. The semantics sounds fine, then and would be easy enough to reproduce with Pcase. I wonder how often this :no-exit form is useful, tho. Stefan