From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Maxim Cournoyer Newsgroups: gmane.lisp.guile.bugs Subject: bug#36682: Error in Guile scripting examples Date: Mon, 12 Dec 2022 20:08:28 -0500 Message-ID: <87zgbs3yb7.fsf@gmail.com> References: <6956abda-8d34-8f3a-0816-9faacee7c7e7@posteo.net> <875zo2g8wo.fsf@web.de> <875yeg5njw.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15844"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) Cc: 36682@debbugs.gnu.org, Hans-Werner Roitzsch To: Arne Babenhauserheide Original-X-From: bug-guile-bounces+guile-bugs=m.gmane-mx.org@gnu.org Tue Dec 13 02:09:27 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 1p4tnS-0003zj-Vx for guile-bugs@m.gmane-mx.org; 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Mon, 12 Dec 2022 17:08:30 -0800 (PST) In-Reply-To: <875yeg5njw.fsf@gmail.com> (Maxim Cournoyer's message of "Mon, 12 Dec 2022 16:17:55 -0500") 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-bounces+guile-bugs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.lisp.guile.bugs:10473 Archived-At: Hi, Maxim Cournoyer writes: [...] > I have the following two files: > > fact: > > #!/run/current-system/profile/bin/guile \ > -e main -s > !# > (define-module (fact) > #:export (fact)) > > (define (fact n) > (if (zero? n) 1 > (* n (fact (- n 1))))) > > (define (main args) > (display (fact (string->number (cadr args)))) > (newline)) > > > fac: > > #!/run/current-system/profile/bin/guile \ > -e (@@ (fac) main) -s > !# > (define-module (fac) > #:export (main)) > > (use-modules (fact)) > > (define (choose n m) > (/ (fact m) (* (fact (- m n)) (fact n)))) > > (define (main args) > (let ((n (string->number (cadr args))) > (m (string->number (caddr args)))) > (display (choose n m)) > (newline))) > > > But with Guile 3.0.8, this gives me: > > ./fac 5 20 > ice-9/read.scm:126:4: In procedure lp: > #:1:4: unexpected end of input while searching for: ) > > Which I don't understand. OK, so what is apparently problematic with modules is the use of '-e (@@ (module-name) proc-name)' with Guil modules. For the 'fac' file above, modifying it like this: --8<---------------cut here---------------start------------->8--- #!/run/current-system/profile/bin/guile \ -e (fac) -s !# (define-module (fac) #:export (main)) (use-modules (fact)) (define (choose n m) (/ (fact m) (* (fact (- m n)) (fact n)))) (define (main args) (let ((n (string->number (cadr args))) (m (string->number (caddr args)))) (display (choose n m)) (newline))) --8<---------------cut here---------------end--------------->8--- works. This relies on 'main' being defined and public. I hope that helps! -- Thanks, Maxim