From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Zelphir Kaltstahl Newsgroups: gmane.lisp.guile.user Subject: Re: trace-calls-to-procedure Date: Fri, 25 Dec 2020 06:58:00 +0100 Message-ID: <3c36067b-5247-03a0-ab64-b4241a8fea30@posteo.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="25331"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 Cc: guile-user@gnu.org To: btmeehan@gmail.com Original-X-From: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Fri Dec 25 06:58:21 2020 Return-path: Envelope-to: guile-user@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 1ksg7J-0006Ug-7a for guile-user@m.gmane-mx.org; Fri, 25 Dec 2020 06:58:21 +0100 Original-Received: from localhost ([::1]:60024 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ksg7I-0002Kt-A9 for guile-user@m.gmane-mx.org; Fri, 25 Dec 2020 00:58:20 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:46370) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ksg75-0002Kb-Q1 for guile-user@gnu.org; Fri, 25 Dec 2020 00:58:08 -0500 Original-Received: from mout02.posteo.de ([185.67.36.66]:41267) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ksg73-0006Gg-Dq for guile-user@gnu.org; Fri, 25 Dec 2020 00:58:07 -0500 Original-Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id C31432400FB for ; Fri, 25 Dec 2020 06:58:01 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.de; s=2017; t=1608875881; bh=kuV4jVFwQ/V5Ei9gofGQW0srul1jboLTeeh515kdIlY=; h=Subject:Cc:To:From:Date:From; b=h1GieVI8NNBVRN9KEz7KpQgdUO9oX+cb/GqOMH/mIpRAaQMMnAnFitLt5snwRewIA nEZpz2F2ZJpcysjAJEfzR0a9RjYNVqi6K14/CkBpDaId9sz0UYdKzuEpOuNFx6rWLQ Ifi/QxJ3QiHotOh7Soh9Db6b+qD05NsC5/WQQM/w9dgn5yBpkqj/IVhn8yZ6E27IKg 7BdOstK4N7Qy4zqE6v0FeNQ8SNHK4blTGhnt++/9LtLixozNSk2YMstHH2KdzJpTl/ brmgCNWL6YXtOONNJjE6zkFGvrGxOkCjnusNkP8/TsApvd5Qx/wZgAR+KS0vgZE9rR EeAHys3tmzmPg== Original-Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4D2GSn1kT5z9rxM; Fri, 25 Dec 2020 06:58:01 +0100 (CET) X-Tagtoolbar-Keys: D20201225065800546 In-Reply-To: Content-Language: en-US Received-SPF: pass client-ip=185.67.36.66; envelope-from=zelphirkaltstahl@posteo.de; helo=mout02.posteo.de X-Spam_score_int: -61 X-Spam_score: -6.2 X-Spam_bar: ------ X-Spam_report: (-6.2 / 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, HTML_MESSAGE=0.001, NICE_REPLY_A=-1.825, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Original-Sender: "guile-user" Xref: news.gmane.io gmane.lisp.guile.user:17103 Archived-At: Hi Tim! I do not know the answer to your question, but I noticed something else: trace-calls-to-procedure returns a procedure. That procedure and its return value can be applied infinitely, it seems: ~~~~ scheme@(guile-user)> (import (system vm trace)) scheme@(guile-user)> (define (sqr x) (* x x)) scheme@(guile-user)> (trace-calls-to-procedure sqr) $1 = # scheme@(guile-user)> ((trace-calls-to-procedure sqr) 9) $2 = # scheme@(guile-user)> (((trace-calls-to-procedure sqr) 9)) $3 = # scheme@(guile-user)> ((((trace-calls-to-procedure sqr) 9))) $4 = # scheme@(guile-user)> ~~~~ Not sure if that helps :D Regards, Zelphir On 12/25/20 5:51 AM, Tim Meehan wrote: > I have used ",trace" before and get what it is supposed to do, but I am not > sure what "trace-calls-to-procedure" is supposed to do ... > > ;; Using Guile 3.0.4 > (use-modules (system vm trace)) > > (define (sqr x) > (* x x)) > > (trace-calls-to-procedure sqr) > > (sqr 3) > > ;; ... and nothing happens ... is something supposed to happen? -- repositories: https://notabug.org/ZelphirKaltstahl