From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Mark Oteiza Newsgroups: gmane.emacs.devel Subject: Re: if-let/if-let*/and-let/.. Date: Tue, 13 Feb 2018 19:07:15 -0500 Message-ID: <87wozgph70.fsf@udel.edu> References: <87wozijhpk.fsf@web.de> <87mv0crbp3.fsf@web.de> <20180213193126.7ifsybvdx7cnjb4f@logos.localdomain> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1518566741 5518 195.159.176.226 (14 Feb 2018 00:05:41 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 14 Feb 2018 00:05:41 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: Michael Heerdegen , npostavs@users.sourceforge.net, emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Feb 14 01:05:37 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1elkZh-0000Wl-VW for ged-emacs-devel@m.gmane.org; Wed, 14 Feb 2018 01:05:26 +0100 Original-Received: from localhost ([::1]:37254 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1elkbj-00077f-DQ for ged-emacs-devel@m.gmane.org; Tue, 13 Feb 2018 19:07:31 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:48484) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1elkbZ-00076U-Kq for emacs-devel@gnu.org; Tue, 13 Feb 2018 19:07:22 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1elkbW-0008H0-G1 for emacs-devel@gnu.org; Tue, 13 Feb 2018 19:07:21 -0500 Original-Received: from mail-qt0-x234.google.com ([2607:f8b0:400d:c0d::234]:34687) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1elkbW-0008Gl-Az for emacs-devel@gnu.org; Tue, 13 Feb 2018 19:07:18 -0500 Original-Received: by mail-qt0-x234.google.com with SMTP id d14so5753499qtg.1 for ; Tue, 13 Feb 2018 16:07:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=udel-edu.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=f0ttjyEgHuOxGdhRGkYqgydmJAX/AkMPJzrShItcHSg=; b=xxV7v/HbX38m6vIcku8UQRDsjL6PU9dFX0yI0XIlDkn0NAytGc1luWWSfZbzY0eMas oFst8Kj8iplpQrGI5EN5HGnHzNtPW8d8CW4PFtCEBB7o7dgZ+M4AdBDpG5vNEdZ1ooXf a2+KTC/wPAnbG+OLwKMKoEvI5kv0uzhUtyynsXN3qWFL1WLHQz3TxnX3chGc3tJQjKVT Pc5MKzqMFRo3SGjdVl/72nIThTW4n+GNLT5mm6DsD5j8VetHhpS1fv668wpkya28TBDZ NkactUMIxzpkzrJ13TOlw8NRN52E/3N/PdLRKrJf0HDTeEJiU2FFjS3k7qj+7onF8vyX vMTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=f0ttjyEgHuOxGdhRGkYqgydmJAX/AkMPJzrShItcHSg=; b=uB8vdZbS4WBCQDngpKxl5JOIr0riwX+GhkNCk8pzlUyDIswvZYrHr24I1LCMIqpJsY VKNqL7C2GqSwH0BkVd+WuugsFc36VOQbDOmhJGa/3qNCB5dh+senGHceIE3Y91HJbZCi PV9SdTc4MnT5l0qgVTBwg1SkENhIKTrBc1Tl+qoxP1JIxu5BxUy8yqlGST6OxVSva+bm EbXzpWkM4evf8W0q2M33S250ZDcZRBXQ+ku5vZTtaw5NM8YMBCxRkM+S0LTQnMbHK5sM 79jhOITNWbdT8ZLpfThM4t4eVzOa/FC/GFseh4lo2QHDuSGeJKlzZ2kqsp32ForjtO8N t9Rg== X-Gm-Message-State: APf1xPBIWJaUR5heZ6Foje0rmmvS4PKr/NbW6Y2oWoU03v9pclyXcT1V 5BVko5Hi0dUbiyEm6i9L8cuN9w== X-Google-Smtp-Source: AH8x224iEOTcCB7aTqev1/vSCvRdUuLwHOcDMWdwx+4sILHSEx33hztWRlpM7joogz/eJii7Vp3/Tg== X-Received: by 10.237.47.165 with SMTP id m34mr2317848qtd.51.1518566837406; Tue, 13 Feb 2018 16:07:17 -0800 (PST) Original-Received: from logos (pool-173-67-36-61.bltmmd.fios.verizon.net. [173.67.36.61]) by smtp.gmail.com with ESMTPSA id q37sm5871445qtj.13.2018.02.13.16.07.15 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 13 Feb 2018 16:07:16 -0800 (PST) In-Reply-To: (Stefan Monnier's message of "Tue, 13 Feb 2018 15:49:45 -0500") X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400d:c0d::234 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:222733 Archived-At: Stefan Monnier writes: >> If we are ok with breaking code that depends on the special case >> (SYMBOL >> VALUEFORM) semantics that the original if-let and when-let had, that >> is: >> >> (when-let (a 1) a) > > That's a part I didn't understand: why did we drop support for this in > when-let*? Discussed in #28254: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=28254#38