From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.bugs Subject: bug#52063: 28.0.60; Confusing presentation of lambda Date: Thu, 25 Nov 2021 15:08:16 +0100 Message-ID: <87ee74tjjj.fsf@web.de> 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 Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31549"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: Gregory Heytings , 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 15:10:16 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 1mqFS3-00081s-UP for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 25 Nov 2021 15:10:15 +0100 Original-Received: from localhost ([::1]:44664 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mqFS2-0005ul-QG for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 25 Nov 2021 09:10:14 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:50154) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mqFQt-0003d3-JT for bug-gnu-emacs@gnu.org; Thu, 25 Nov 2021 09:09:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:44669) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mqFQt-0002wH-8R for bug-gnu-emacs@gnu.org; Thu, 25 Nov 2021 09:09:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mqFQs-0004cz-Vx for bug-gnu-emacs@gnu.org; Thu, 25 Nov 2021 09:09:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Michael Heerdegen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 25 Nov 2021 14:09:02 +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=B52063.163784931417495 (code B ref 52063); Thu, 25 Nov 2021 14:09:02 +0000 Original-Received: (at 52063) by debbugs.gnu.org; 25 Nov 2021 14:08:34 +0000 Original-Received: from localhost ([127.0.0.1]:56211 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mqFQP-0004Y0-1L for submit@debbugs.gnu.org; Thu, 25 Nov 2021 09:08:33 -0500 Original-Received: from mout.web.de ([212.227.15.4]:46171) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mqFQM-0004Wu-UP for 52063@debbugs.gnu.org; Thu, 25 Nov 2021 09:08:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1637849297; bh=O0unsffutssqC/FjfGFmnnWSFpnzOL5fC3NcYTXLBJQ=; h=X-UI-Sender-Class:From:To:Cc:Subject:References:Date:In-Reply-To; b=LlKpmhOG8Eag4mYnue6DtXpxK4fVyIqvBf48zSzHiThDFtL04UBxTXDxn74ZmHTv6 1GtRrWlCoaNgifStBUp8k1LPlOBJjDj5HjcbrAImTcMAAJInjQmZdAg8RdYJULDwR2 ZzcMRvUeBVEkYbUDh9dacvqMdUs1Vii5FRa2btes= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Original-Received: from drachen.dragon ([92.208.225.87]) by smtp.web.de (mrweb005 [213.165.67.108]) with ESMTPSA (Nemesis) id 1MpCqh-1mHCes2a11-00qWV0; Thu, 25 Nov 2021 15:08:17 +0100 In-Reply-To: <87zgpse60q.fsf@gnus.org> (Lars Ingebrigtsen's message of "Thu, 25 Nov 2021 14:09:25 +0100") X-Provags-ID: V03:K1:8rGxMAG6/TynSM0bpcGzOkFaFX9u+/fwkekDzLht+6BmYXJqfOJ nLW+uUh/Oe+uP1jJ4ZpsngBoToBranYk8lt5m9EP5BpdLn4XgDZWvlRkCZmOxO3JFpvMQzj rdaFtAKQcxN6RuIGb0ITX77PTqxDa6gsaCIYDnX59iiLXcopexDvI3voT5veK3DvryVpWnL 7kPUTg9xDr8xszv37/B3g== X-UI-Out-Filterresults: notjunk:1;V03:K0:k5KKjhk7tAQ=:OQrJ7PNYT/7PRQCI0x9sK5 3bfRPspXFoFShKUHyRUxL5iBRE92sdwOklTUcas3dZzTY1FbnMUWiHah7ZhKG7RTagumPDb7y 7eURqzAWLjovh+hEBZmev7A11+WIw4PR13MHonsKlnvgEHFUd5HmXJoFNqtRrWClXSzQ/v1Cp 20mjTRzs6qKSf5gtIK5DAlLvXXYd99b08WKa5v0cf5T3iLIC1zuaqEWGVFNd9T+XSp+Z0za7N vdg272qmrWwaRY9/AbUjKYfkb8CJkP6mKljNBt8tXorTDE9dOsnRawd/4RTqwSx85khgf1DrF YV/+5QIpKOKdkR17Z+E3Mbbd0EYFNBQ5NthayuNT99pcLi3mkePnPVSWQg+SPG8ChuJtJqmL9 4vovTj6fkZw++RWHFaLX9lWIGHo9AtBnAuUKdd45HTMYYJ4yma8AZPV+uS+FFuUaQKcK4HKZ6 SBuExomCMCSggFAkTePxFjtTiseOJBBThdBTXee6soleOpn61WxrRRup1LCAi0mHAqP+XXJ2G pmoYJ+zdXQaoe7x+KjLYtCREQtnliuSvTj30UofD1msJjgQeh/VtZS6Aj4ZrmNrXxU/11iIQp aoz4PKFayYYlbOkUvP/RZfLRVJpL0+DG3qVmGTsRs2Ww9+8nj9yio/CunibwwjhQQ8C+qR+Co MppL4pjCtA9dATxLKOrz4Q6nDcDbst88D7OqVzrJqpM4F+AJPw8qj7BjCAWtI5U5mKGSZR23P 93M4qxj9FFnFyAh67glYwb1W3m9S1HpRYWhBdeD3qR7+usof7yGsk+wfok/BmIJLikE4qqC4 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:220832 Archived-At: Lars Ingebrigtsen writes: > A closure has lexical binding inside itself, though, which lambdas do > not have. [...] (See code snippet that demonstrates the issue in an > earlier post of mine.) Oh - indeed. Then those function values have fundamentally different semantics when funcalled, and it's good that they are represented differently. My guess would be that the decision "can be translated into a lambda" in the general case is either expensive or not even decidable. Michael.