From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: TQ Hirsch Newsgroups: gmane.lisp.guile.bugs Subject: bug#57226: format seemingly drops arguments when iterating tablature Date: Mon, 15 Aug 2022 12:41:41 +0200 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15961"; mail-complaints-to="usenet@ciao.gmane.io" To: 57226@debbugs.gnu.org Original-X-From: bug-guile-bounces+guile-bugs=m.gmane-mx.org@gnu.org Mon Aug 15 17:46:38 2022 Return-path: Envelope-to: guile-bugs@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 1oNcIY-0003z7-8w for guile-bugs@m.gmane-mx.org; Mon, 15 Aug 2022 17:46:38 +0200 Original-Received: from localhost ([::1]:58890 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oNcIX-0003CG-7R for guile-bugs@m.gmane-mx.org; 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Mon, 15 Aug 2022 03:41:51 -0700 (PDT) Received-SPF: permerror client-ip=2001:4860:4864:20::33; envelope-from=thequux@thequux.com; helo=mail-oa1-x33.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01, T_SPF_PERMERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Mon, 15 Aug 2022 11:45:24 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guile@gnu.org List-Id: "Bug reports for GUILE, GNU's Ubiquitous Extension Language" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guile-bounces+guile-bugs=m.gmane-mx.org@gnu.org Original-Sender: "bug-guile" Xref: news.gmane.io gmane.lisp.guile.bugs:10318 Archived-At: I would expect the following expression (format #f "~@{~v,0,'-@t,~}" 1 2 3) to return "-,--,---,", but it instead returns "--,---," Further, I would have expected (format #f "~{~v,0,'-@t ~}" '(1 2 3)) to have the same results, but i throws an error: scheme@(guile-user)> (format #f "~{~v,0,'-@t ~}" '(1 2 3)) FORMAT: error with call: (format #f "~{~v,0,'-@t ~}<===" (1 2 3) ===>) missing argument(s) FORMAT: INTERNAL ERROR IN FORMAT-ERROR! destination: #f format string: "~{~v,0,'-@t ~}" format args: ((1 2 3)) error args: (#f "error in format" () #f) ice-9/boot-9.scm:1685:16: In procedure raise-exception: error in format If, however, I include a dummy "0" argument first, I get a (correct) warning, but also the expected output: scheme@(guile-user) [1]> (format #f "~{~v,0,'-@t ~}" 0 '(1 2 3)) ;;; : warning: "~{~v,0,'-@t ~}": wrong number of `format' arguments: expected 1, got 2 $22 = "- -- --- " This is using Guile 3.0.8, available from Nix as /nix/store/6lx56ifqh9dznw3mkj2azmh1lmxr617g-guile-3.0.8. (i.e., guile_3_0 in a copy of nixpkgs a few days old)