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: Always-true predicate? Date: Wed, 17 Feb 2021 18:01:08 -0500 Message-ID: References: <875z2qoqc6.fsf@gnus.org> <87h7ma25so.fsf@tcd.ie> <8735xu33jy.fsf@gnus.org> <87lfbm1o5s.fsf@gnus.org> <874kiaxxbs.fsf@iki.fi> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21994"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: "Basil L. Contovounesios" , Lars Ingebrigtsen , Pip Cet , emacs-devel@gnu.org To: Teemu Likonen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Feb 18 00:02:18 2021 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 1lCVpq-0005dO-Bi for ged-emacs-devel@m.gmane-mx.org; Thu, 18 Feb 2021 00:02:18 +0100 Original-Received: from localhost ([::1]:38772 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lCVpp-0003JK-ED for ged-emacs-devel@m.gmane-mx.org; Wed, 17 Feb 2021 18:02:17 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42536) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lCVoo-0002qP-3V for emacs-devel@gnu.org; Wed, 17 Feb 2021 18:01:14 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:19510) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lCVol-0001iQ-U8 for emacs-devel@gnu.org; Wed, 17 Feb 2021 18:01:13 -0500 Original-Received: from pmg2.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 95BC280284; Wed, 17 Feb 2021 18:01:10 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 31A9D8068C; Wed, 17 Feb 2021 18:01:09 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1613602869; bh=zt0qZF3auNuIZl5Pv2OJyPJeBSFv82eXZx2Z+ilaXXc=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=fb66bTmBEDo0yaDQFZgUUfj502r0+7Ap29IRoWl98cqW+3Q+okl82cT1BK/K5J27N JUWsP35CsECP03jfDYinIj6HJnRixd00I2q4Kge2+FBufP0tTx2NyvXTdtV91UlmE3 O7XqLU9/Du4maVa8ngVsVs7jQQZc5BviNv074sSuZFhQqY/bltt8KZt9u9gE5GgEjZ r0pSZEY/EmuhOVq48nvest4jQfbBzni5suPAicyniTK2m1EO2Q5UPm0yYnraYedAry QXRITQE+qiQ6aZcC7993xBQaC9Xys0VjxUplQS7OpP3LyUZuFaxFMSemjVZbRNsdjm gQ4cwzGMmSbYA== Original-Received: from alfajor (unknown [216.154.41.47]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id EAB9E12026E; Wed, 17 Feb 2021 18:01:08 -0500 (EST) In-Reply-To: <874kiaxxbs.fsf@iki.fi> (Teemu Likonen's message of "Wed, 17 Feb 2021 22:18:15 +0200") 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 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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" Xref: news.gmane.io gmane.emacs.devel:265109 Archived-At: > Seriously: I remember one case when I tried to find CONSTANTLY or > similar but failed. I wrote some LAMBDA form. No big deal. Maybe we should let `lambda` take arguments like Scheme does, i.e. (lambda (a b . c) FOO) instead of (lambda (a b &rest c) FOO), and in that case we could simple use "lambda _" as a shorthand for "constantly". Stefan