From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Chris Vine Newsgroups: gmane.lisp.guile.user Subject: Re: "Missing" libraries/concepts found in other languages/ecosystems? Date: Sat, 11 Jul 2020 23:39:18 +0100 Message-ID: <20200711233918.3355c443aaa8d44de772e572@gmail.com> References: <20200710112109.b2ffa630699452541835924b@gmail.com> <14a24bd8-2664-c7bf-eff8-ca3f4e068ef8@posteo.de> <20200711111359.acacd7d4a6b328bab44ba11e@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="3811"; mail-complaints-to="usenet@ciao.gmane.io" To: guile-user@gnu.org Original-X-From: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Sun Jul 12 00:39:50 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 1juO9t-0000ud-OM for guile-user@m.gmane-mx.org; Sun, 12 Jul 2020 00:39:49 +0200 Original-Received: from localhost ([::1]:41702 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1juO9s-00048B-Q4 for guile-user@m.gmane-mx.org; Sat, 11 Jul 2020 18:39:48 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:56112) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1juO9j-000483-SW for guile-user@gnu.org; Sat, 11 Jul 2020 18:39:39 -0400 Original-Received: from mail-wm1-x334.google.com ([2a00:1450:4864:20::334]:50492) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1juO9h-0000t9-Ud for guile-user@gnu.org; Sat, 11 Jul 2020 18:39:39 -0400 Original-Received: by mail-wm1-x334.google.com with SMTP id l17so9643863wmj.0 for ; Sat, 11 Jul 2020 15:39:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:subject:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=cwAT2yHjMd4oCjwOscquEEQMLWqHVfkwGI1jVDCnz9M=; b=MltUhXogfsElL+qccfON3qEPnfyQmMfYnly0EM07ufYRa8aky7mg8Nr7OcHeZsOL0n nf5I4EN/XamJlSft+1V/vDVFe+AfKYD7ZZm0g0uYP8z8yLj+5IPRC2rWS9YD/7MSxAt0 8HEYwHK3ZkNMFUCpt8bbU0Dp6g6OXEjaIAg0kqCK5ngeomcasxIcATuaGNkMz+YZ1roM aUw/oVuWX1aNLDWrujDz6sgbL/TrbM7KUAepnyw0KNEhgcSQx8JQdL5q5vnXibF+x2mf vIU7s9HnPzmCKQC+oUFZYCKxLt3Y8MxspQHfl2w2ItQi6bT+UXwPoJMPK4fwgKoABpnv 1HWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cwAT2yHjMd4oCjwOscquEEQMLWqHVfkwGI1jVDCnz9M=; b=tHgA1hJF2/MsRwO3FHekoXtjtkPnTL1EGWW8HoZBeJIYBieQP3oGECOgNJP1nwxfwA cQoUR9a/JQ5GHoWjt3gb9FXjUAWwrMeMwDlgAdZ6Bz1uwqL640APP5L/SYcbSVTujQIg uu7XA9kajD/ovE8IW3P4k3KhTk7vP01KlyzRmpTaD+5+yjkajjZ+V3/k7qB8CrvVHsiA eGFvEN2gJ38tC+0pS7Dz8Dnymsssu8pDxhnPssJ11oMMEvHN29qiYurknuxCqIrJ+9HK 6rV2XkPYZHIILDZeLUWGsBtOGHSeNKnWSaJbXaAxFhosF9sC3WvYpYROxIBkMzjGbpH/ ZtGg== X-Gm-Message-State: AOAM533mBg7YuKKQgcHCAaHl0wXDchTCFUkiGepea8J2QcWGwx8nLD09 SdWmc6yYtT8BK9EEeBquz5AY9zlx X-Google-Smtp-Source: ABdhPJx7wmqkS7fsWgfq4D0XkDqJS8CzFcKIgROVDJiq1VNQgLNu17+BJyzkZ6+m73r+39igThDOSQ== X-Received: by 2002:a1c:c904:: with SMTP id f4mr11544699wmb.69.1594507175575; Sat, 11 Jul 2020 15:39:35 -0700 (PDT) Original-Received: from dell.homenet ([2002:545d:25cc:10:e7f1:8e2b:7f7c:f6fe]) by smtp.gmail.com with ESMTPSA id 14sm14902839wmk.19.2020.07.11.15.39.34 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Jul 2020 15:39:35 -0700 (PDT) Original-Received: from dell.homenet (localhost [127.0.0.1]) by dell.homenet (Postfix) with SMTP id 1172D4241D6 for ; Sat, 11 Jul 2020 23:39:19 +0100 (BST) In-Reply-To: X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.32; x86_64-unknown-linux-gnu) Received-SPF: pass client-ip=2a00:1450:4864:20::334; envelope-from=vine35792468@gmail.com; helo=mail-wm1-x334.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, 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-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:16666 Archived-At: On Sat, 11 Jul 2020 14:20:22 -0400 John Cowan wrote: > On Sat, Jul 11, 2020 at 6:14 AM Chris Vine wrote: > > > (To answer the question in your > > following email, continuable exceptions are in some sense analogous to > > common lisp restarts.) > > Continuable and non-continuable in Scheme are exactly like CL raise and > error (and its variants), except that the machinery is different. Restarts > are another matter, independent of the condition system (though often > considered with it). I have a pre-SRFI for them at < > https://github.com/johnwcowan/r7rs-work/blob/master/RestartsCowan.md>, > similar to but simpler than the CL restart system, and using first-class > restarts. It currently lacks restart-case. I am not an expert on CL so can you provide me with the hyperspec reference to CL 'RAISE'? (I know about CL 'ERROR' and 'SIGNAL'.) [snip] > > R6RS/R7RS's guard form is a wrapper for this which also > > incorporates a cond form to enable different exception types to be > > handled by different handlers. > > > > Is the intention to provide `guard` in Guile 3.x? It's been in guile for as long as I can remember (at least since 2.0).