From unknown Thu Jun 19 14:22:10 2025 X-Loop: help-debbugs@gnu.org Subject: bug#59872: cl-labels and cl-flet do not comply with the documentation Resent-From: Rafael D Sorkin Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 07 Dec 2022 06:02:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 59872 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 59872@debbugs.gnu.org Cc: Rafael D Sorkin X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Reply-To: Rafael D Sorkin Received: via spool by submit@debbugs.gnu.org id=B.167039289429538 (code B ref -1); Wed, 07 Dec 2022 06:02:02 +0000 Received: (at submit) by debbugs.gnu.org; 7 Dec 2022 06:01:34 +0000 Received: from localhost ([127.0.0.1]:47763 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p2nUs-0007gM-77 for submit@debbugs.gnu.org; Wed, 07 Dec 2022 01:01:34 -0500 Received: from lists.gnu.org ([209.51.188.17]:59838) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p2nUp-0007gF-Kp for submit@debbugs.gnu.org; Wed, 07 Dec 2022 01:01:33 -0500 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 1p2nUp-0004VE-Cw for bug-gnu-emacs@gnu.org; Wed, 07 Dec 2022 01:01:31 -0500 Received: from mail-io1-xd64.google.com ([2607:f8b0:4864:20::d64]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1p2nUn-0003Vd-Qq for bug-gnu-emacs@gnu.org; Wed, 07 Dec 2022 01:01:31 -0500 Received: by mail-io1-xd64.google.com with SMTP id p6so2139437iod.13 for ; Tue, 06 Dec 2022 22:01:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=perimeterinstitute.ca; s=google; h=date:message-id:subject:cc:to:from:reply-to:from:to:cc:subject:date :message-id:reply-to; bh=zVuV1+o+Nh1s/1Xnobn9+RdUyZNQ0ePD2ES7mnkz7Rs=; b=mHLPK0IpFRM8gxena00smlkqcEM17x/og1eYpDnkxbU8cdRdRrAzxBVN4Nk1juYa+G Y/Rj5IEks6kuSYRC2Jk86q1q5gaC0DlLyn9574vmejx8NmNsDEcjWHpjIXpCR2VDOJUj EldH1BK746Jq/iyhZhMc1/rbBvWWk/TWXEqZB6zsiIufxHgCefeS9GkWWSXbmEPnyAhS gKMT2NT5NqogHFTZpF8Fu6F91yeibEBFXZBjMGPv5yyF3Pm2b/kL7YZOAsL64X1aOQLP aX0FYkVEOB4L9hq8QbI0t21WKJ/R3SPSAVpTTJQfnNtNMPHFIrik3AyrRBhVIl/F39dg 20Ew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=date:message-id:subject:cc:to:from:reply-to:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=zVuV1+o+Nh1s/1Xnobn9+RdUyZNQ0ePD2ES7mnkz7Rs=; b=VJCCSMnGnZOKwmQ1ewWJOxK8FA/DyfBWjvVkWcHikeRSIhh5tC4llWKY2lbmeVApKC ARNPWInZDQOLrAGhICK6apNkJBcoPhgZorYvFidWRsr9Fmc6I6U2nEcoimxAxsPYxu/l kJ9n65SkMNyN7UvNHOEPi5/v68Tzl8mGcxGpXJbywKhnSss1Xgeo14oN9QF4/X65ACxa uxvf03yJmwXY6zcQT5hqkKRqfpzlh5rqx0gXz2TVXHpNk43GbQwcUd0//SZgPRgWNkWE sOria6bc6Wu91yATtFF2Y856ioYvKRUOg4xB8y2CMqzx6RIRD0PxlVcXB8Iu56kc9HMy nfMw== X-Gm-Message-State: ANoB5pkq2qo0pey1dIYJGY0jbKy5A4LDxyqFB6z9gjLu6cWTAt4JoVMc /j9fryrv73Jm9+k59FT8y/DLMcTlX+MDHbKY3LuIaqtHgQlFwQ== X-Google-Smtp-Source: AA0mqf72tQql3OCmyDvLnmn9EQahAeT93e2sGAiqiaMD0IO9CXz58ag804+3JjugEf536x0End0f1IkN0tB9 X-Received: by 2002:a02:6051:0:b0:38a:3421:f2cb with SMTP id d17-20020a026051000000b0038a3421f2cbmr7326264jaf.308.1670392887999; Tue, 06 Dec 2022 22:01:27 -0800 (PST) Received: from mail.perimeterinstitute.ca ([66.97.27.10]) by smtp-relay.gmail.com with ESMTPS id u2-20020a056638134200b0038a24fa60bbsm703142jad.18.2022.12.06.22.01.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Dec 2022 22:01:27 -0800 (PST) X-Relaying-Domain: perimeterinstitute.ca Received: from mn001.pi.local (unknown [10.10.21.100]) by mail.perimeterinstitute.ca (Postfix) with ESMTP id 3DCA83F08B; Wed, 7 Dec 2022 01:01:26 -0500 (EST) Received: by mn001.pi.local (Postfix, from userid 1254) id 21F713400241F; Wed, 7 Dec 2022 01:01:26 -0500 (EST) From: Rafael D Sorkin X-Mailer: MH-E 8.6+git; nmh 1.7.1; GNU Emacs 26.3 Message-Id: <20221207060126.21F713400241F@mn001.pi.local> Date: Wed, 7 Dec 2022 01:01:26 -0500 (EST) Received-SPF: pass client-ip=2607:f8b0:4864:20::d64; envelope-from=rsorkin@perimeterinstitute.ca; helo=mail-io1-xd64.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.3 (-) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.3 (--) Hi, The documentation that I received along with emacs 28.2 says about `cl-flet' that "... the function body is enclosed in an implicit block as if by `cl-defun'". (This is from File: cl.info, Node: Function Bindings, Next: Macro Bindings, Prev: Dynamic Bindings, Up: Variable Bindings 4.3.2 Function Bindings -----------------------) I expected this behavior precisely because of the parallel with `cl-defun', as well as the connotation of the prefix "cl-" itself, which leads on to expect that `cl-flet' and `cl-labels' would act like their CL counterparts. However, as far as I can tell, neither of these functions actually creates an implicit named block, as claimed. Below is the evidence (from emacs 26.3, but 28.2 is similar). One sees that only `flet' works, but it has been declared as "obsolete". Thanks, Rafael emacs-version ; 26.3 (require 'cl-lib) ; cl-lib (flet ((tester () (return-from tester 3))) (tester)) ; 3 (labels ((tester () (return-from tester 3))) (tester)) ; No catch for tag: --cl-block-tester--, 3 (cl-flet ((tester () (return-from tester 3))) (tester)) ; No catch for tag: --cl-block-tester--, 3 (cl-labels((tester () (return-from tester 3))) (tester)) ; No catch for tag: --cl-block-tester--, 3 (Macroexpand '(cl-labels ((tester () (return-from tester 3))))) ; (let (#:--cl-tester--) (setq #:--cl-tester-- (function (lambda nil (throw (quote --cl-block-tester--) 3))))) (Macroexpand '(cl-flet ((tester () (return-from tester 3))))) ; (let* ((#:--cl-tester-- (cl-function (lambda nil (return-from tester 3))))) (progn)) (Macroexpand '(labels ((tester () (return-from tester 3))))) ; (progn (defvar #:--cl---cl-tester----) (let ((#:--cl---cl-tester---- nil)) (let* ((#:v (quote #:--cl---cl-tester----))) (set #:v (function (lambda nil (throw (quote --cl-block-tester--) 3))))))) (Macroexpand '(flet ((tester () (return-from tester 3))))) ; (let* ((#:vnew (cl-function (lambda nil (cl-block tester (return-from tester 3))))) (#:old (symbol-function (quote tester)))) (unwind-protect (fset (quote tester) #:vnew) (fset (quote tester) #:old))) ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~- Rafael Sorkin Perimeter Institute for Theoretical Physics 31 Caroline Street North Waterloo, ON N2L 2Y5 Canada ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~- From unknown Thu Jun 19 14:22:10 2025 X-Loop: help-debbugs@gnu.org Subject: bug#59872: cl-labels and cl-flet do not comply with the documentation Resent-From: Michael Heerdegen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 10 Dec 2022 23:14:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 59872 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Rafael D Sorkin Cc: 59872@debbugs.gnu.org Received: via spool by 59872-submit@debbugs.gnu.org id=B59872.16707139835087 (code B ref 59872); Sat, 10 Dec 2022 23:14:01 +0000 Received: (at 59872) by debbugs.gnu.org; 10 Dec 2022 23:13:03 +0000 Received: from localhost ([127.0.0.1]:45671 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p491j-0001Jz-BB for submit@debbugs.gnu.org; Sat, 10 Dec 2022 18:13:03 -0500 Received: from mout.web.de ([212.227.15.4]:57893) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p491e-0001JU-Qf for 59872@debbugs.gnu.org; Sat, 10 Dec 2022 18:13:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=s29768273; t=1670713972; bh=4MaepJccnBB6eXNMxeNkunS0PAoWziNqg4ZIqwJ/wmA=; h=X-UI-Sender-Class:From:To:Cc:Subject:In-Reply-To:References:Date; b=U1NTT7wMN1vaGSqbJMYD2xnvGz0TTH+GAvKRnRRajNyAlM7WLai/x+OiA3AIyFUDM 4xyqSQvTjHDCRI6YgpgTtFcjGG8Cy/Z7cWyHc+2cVL3ilATywNfyb+sdCkrkZs0TA3 5q+IZlGnVVPXmFypruWctAKUzA4MYVHObDGHqLl23EzDHYzaTEaM/uuIrvwzEa8Qu/ nLCvyZwoN/Or35Gc6W5sbZSk3UZwzltz6X8afSImcF74eH5a0/2RjyUdCM2VumgSJk tRd1KVVG8RYF+aPCZgVlZdRUKBy3xXS6z4OcFyxc1sUFVPOmlMNjWjRPayZnF10xLO MNAgvyPQi2KTg== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from drachen.dragon ([92.76.229.140]) by smtp.web.de (mrweb005 [213.165.67.108]) with ESMTPSA (Nemesis) id 1M8C07-1p009f0VEp-005HQJ; Sun, 11 Dec 2022 00:12:52 +0100 From: Michael Heerdegen In-Reply-To: <20221207060126.21F713400241F@mn001.pi.local> (Rafael D. Sorkin's message of "Wed, 7 Dec 2022 01:01:26 -0500 (EST)") References: <20221207060126.21F713400241F@mn001.pi.local> Date: Sun, 11 Dec 2022 00:12:49 +0100 Message-ID: <871qp6zwcu.fsf@web.de> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Provags-ID: V03:K1:9Vbm/QI8oYfQI3cflq3FPxdABl2iF4pJcV9x27RgEeFko3X/p74 attj2bSRAeqqKxAsbQ0B0uAY6Ay89yNoFFlvJ3waIbqbENKOHfrBUUhoHIGwIftqWpQtH6Q bfvR3pSisEY0gM9+twQXbvcbCRDIdYzKJNQ1keRDd/IW0O6GQhK7IoymLTPrw9JNuYkoRce 8n5f9O0qLpCzxhQlpyo2Q== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:/jlqyJFvPG0=;2SN7PUtFrIDXtDX+CJojvWGW9S/ HAvWci8pdTsrl763Utn/4zhSXj7PN7FqLc7YBD0BuLhAdc+smSYQCEalha2+rUl0+XRWhRkNE 7Qiw8kiW3Xw4BrMzwLKTzKOqevAb0D7PQSQuuSQfbBxLqQQz66rGvAjiiWJSIl+uWgyxhrlRQ FNsBG0pIgNCI8SNCjUEseSAxGxazDeIv+ZJsTnAOg+sWXthX4T+qdMg2uBss90K6+AGkHEGPh iL5lyfI+nAoA9QdBJ7wgUJ6RVQzo0X+vCrLnaWECH75zemj/f13bh26imIwOdKYO8ZZW1DolB Tt6PrKolFfcgutPSIh2hLTBslSeMCXSJxS66tO4bVE3gb0PAzdxoINmopH0EvPztCXzluBIHc 9uW3ZDoZdLMCGR554Bl8TTBe0GysQlgipNHT0lzl8PQIx5HRct0ZrDv6KoBI50yECY/QaofnR FhkQfyYNRWXoietuwjG4DfOclSsWDTCXVFpbCxwnOsVuwpboZcLfO9lVhYWANRZlA4rBDCDpF XWmJ7+eqv5AalXB4e/SxOi4KaiptfNBMBQxoiLIPIaWTHJWVq4VuSd4Va4bK/UQl+AJXCPtXW B/IDt+f1hbbAkLs06nhMpmBsJ9NaVLUa8stLfFmYHOsa8J70y/Sbfj8a7J0FnHgLgIcQLxRGs 3LyP0vX2MuSi849q4BbaGNjV7sHElua0y+4LIEc5eJPMn7yHyQvklsppKTITIyRN0UGvTw/6q vpan6ft563VvZvSDS9rtGKaBhtXpHkqx7dHaLvejWbzr3CGQmFASXdvwDRypVnk/DFO9qcMil LS0mPGo5K69H7fwSRkcP0qqUISTPteWqjDrxDTE3wtdRwrbGWZiPOz8/LccF97amulz+EcA4t v7VWb3TXHTmCLG9kh7v4dAw8/osT1DBkrwkFMK12KBCswIBMTPLOWvabGsSwXzbWJRycV8lCS vAXC+Q== X-Spam-Score: -0.7 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.7 (-) Rafael D Sorkin writes: > The documentation that I received along with emacs 28.2 says about > `cl-flet' that > > "... the function body is enclosed in an implicit block as if by > `cl-defun'". > However, as far as I can tell, neither of these functions > actually creates an implicit named block, as claimed. I think you are absolutely right, thanks for reporting this. Seems implementing that feature had just been forgotten when the cl-lib versions were written. Michael.