From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.bugs Subject: bug#52063: 28.0.60; Confusing presentation of lambda Date: Thu, 25 Nov 2021 14:39:09 +0000 Message-ID: <612d659daa9b57b79782@heytings.org> References: <83czmqaegb.fsf@gnu.org> <874k82vwe5.fsf@gnus.org> <831r35afde.fsf@gnu.org> <87v90hu36b.fsf@gnus.org> <83v90h8zjw.fsf@gnu.org> <87r1b5u1cl.fsf@gnus.org> <83pmqp8vps.fsf@gnu.org> <83zgpt7353.fsf@gnu.org> <83tug172a9.fsf@gnu.org> <664b6d0147ece2617779@heytings.org> <87pmqotxxd.fsf@web.de> <87zgpse60q.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28570"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Michael Heerdegen , fgunbin@fastmail.fm, Stefan Monnier , 52063@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Nov 25 15:41:43 2021 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 1mqFwU-0007Gg-Nv for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 25 Nov 2021 15:41:42 +0100 Original-Received: from localhost ([::1]:48644 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mqFwT-0004TN-NR for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 25 Nov 2021 09:41:41 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:58516) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mqFut-0002Uo-3w for bug-gnu-emacs@gnu.org; Thu, 25 Nov 2021 09:40:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:44744) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mqFur-0003Fi-T1 for bug-gnu-emacs@gnu.org; Thu, 25 Nov 2021 09:40:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mqFur-0006GU-Pa for bug-gnu-emacs@gnu.org; Thu, 25 Nov 2021 09:40:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 25 Nov 2021 14:40:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 52063 X-GNU-PR-Package: emacs Original-Received: via spool by 52063-submit@debbugs.gnu.org id=B52063.163785115423660 (code B ref 52063); Thu, 25 Nov 2021 14:40:01 +0000 Original-Received: (at 52063) by debbugs.gnu.org; 25 Nov 2021 14:39:14 +0000 Original-Received: from localhost ([127.0.0.1]:56290 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mqFu6-00069V-Ga for submit@debbugs.gnu.org; Thu, 25 Nov 2021 09:39:14 -0500 Original-Received: from heytings.org ([95.142.160.155]:48888) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mqFu2-000690-Cx for 52063@debbugs.gnu.org; Thu, 25 Nov 2021 09:39:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20210101; t=1637851149; bh=bDAEgg/c0iimwGFCdk+qJe5nk54jrw4yk15IcNzV9nM=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=T1VztPSil9/byR5atseNxtHAsZ4J6a6X5uOfwOQgzaSH6EQur5aGXxzB3T+oLb78D ccHfrletd4HXOkfKZ1sjas9MUSSsKR3rIGgszGr6/GJh5m9lC9C3Kd2njzy0ksfRYq w21eWJ2EjCZIJ6CBUCwmfSHQS3y612fmGBf2eoFUT7KEOY6JsNNh6gDo/YizkPqc1z w0G1PB646XzFjK/weU0fs5hQICQyg7eHeFzwL5A9HPh81Fty0qDI9bz7pb5TmpREiz nUwWTNkPgAzzDuMzHjnEzRwF0V0zoW/1etUbCGOyORrqAgGPVpKSCW7er5Z1u4a3OJ tLFlqvRp7aThg== In-Reply-To: <87zgpse60q.fsf@gnus.org> 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:220838 Archived-At: > > A closure has lexical binding inside itself, though, which lambdas do > not have. So checking for an empty lexical environment isn't sufficient > to decide whether to try to convert back to a lambda or not -- you have > to do some deep inspection. (See code snippet that demonstrates the > issue in an earlier post of mine.) > Indeed, that was the counter-example I tried to find. I should read your posts more carefully ;-) My initial feeling, that (closure (t) args body) is not equivalent to (lambda args body), was correct after all.