From debbugs-submit-bounces@debbugs.gnu.org Wed Jul 27 14:27:36 2022 Received: (at 56799) by debbugs.gnu.org; 27 Jul 2022 18:27:36 +0000 Received: from localhost ([127.0.0.1]:56963 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oGlkt-0004hl-M5 for submit@debbugs.gnu.org; Wed, 27 Jul 2022 14:27:35 -0400 Received: from mail-4317.proton.ch ([185.70.43.17]:51039) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oGlko-0004hR-7w for 56799@debbugs.gnu.org; Wed, 27 Jul 2022 14:27:34 -0400 Date: Wed, 27 Jul 2022 18:27:13 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lendvai.name; s=protonmail; t=1658946442; x=1659205642; bh=HZN4yJHUstVEslv/slnzLhUeoIL7vPytyAeAGfXTlvo=; h=Date:To:From:Cc:Reply-To:Subject:Message-ID:In-Reply-To: References:Feedback-ID:From:To:Cc:Date:Subject:Reply-To: Feedback-ID:Message-ID; b=UC+2LsiE22+F1P7doMGJmQjewrJ8SNZaZZMuKc6NP78uVBGemmYq11qILTeaUtS3k 1la4vHfwyB8knSMNntAFkrtIKktrcDCQrT1KvaHB7f6HbkkQZ6ID1jrL7jLvETKzen PVu5HYwV2kUia6uAdhpJ8N6s3dMoBSkU64RHFnXFp/FnW7Zh4C58HhEqGnEI7njTGb HZTv464+1as0+8cb7mzvF96R2O91u47Kc1No9i0Yx3i0239rpXDI/2iNUHbHnSQc37 khnYKPhb/wUY/5ZYLkXeZnaZhyblRDpBYrZHLeCf6t41PF7qPlS2TGdDavtvaWEQUk BQI6ItARILYzw== To: Tobias Geerinckx-Rice From: Attila Lendvai Subject: Re: bug#56799: (gnu services configuration) usage of *unspecified* is problematic Message-ID: In-Reply-To: <87a68uqz9r@nckx> References: <87o7xa8qxt.fsf@gmail.com> <87a68uqz9r@nckx> Feedback-ID: 28384833:user:proton MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 56799 Cc: 56799@debbugs.gnu.org, Maxim Cournoyer 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: , Reply-To: Attila Lendvai Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) hi, sorry for the headaches! the original discussion is here (well, i think. site is down right now): https://issues.guix.gnu.org/54674 'UNSPECIFIED would satisfy SYMBOL?, i.e. a source of headaches/confusion. i= t used to be 'DISABLED, which was even worse as it can be confused/conflate= d with a user specified value. i suggested the use of srfi-189, but it was rejected as unwelcome complexit= y. https://srfi.schemers.org/srfi-189/srfi-189.html i think it makes sense to change Guile to make *unspecified* self-evaluatin= g, but looking back, maybe the use of srfi-189 would have been better. i need to run now, and i'll be offline for a week or two. i can't look the = example in depth now, but my gut instinct says that it's a bug if *unspecif= ied* reaches any GExp machinery. more later, -- =E2=80=A2 attila lendvai =E2=80=A2 PGP: 963F 5D5F 45C7 DFCD 0A39 -- =E2=80=9CIf you are neutral in situations of injustice, you have chosen the= side of the oppressor.=E2=80=9D =09=E2=80=94 Desmond Tutu (1931=E2=80=93)