From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Christopher Howard Newsgroups: gmane.lisp.guile.user Subject: Re: underscores in debug output? Date: Wed, 30 Aug 2017 07:16:24 -0800 Message-ID: <1504106184.20412.6.camel@qlfiles.net> References: <1504065406.20412.1.camel@zoho.com> <87bmmxun8t.fsf@gmail.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-W4MKgs96s+6Bq9bMDiPj" X-Trace: blaine.gmane.org 1504106271 9810 195.159.176.226 (30 Aug 2017 15:17:51 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 30 Aug 2017 15:17:51 +0000 (UTC) To: guile-user@gnu.org Original-X-From: guile-user-bounces+guile-user=m.gmane.org@gnu.org Wed Aug 30 17:17:46 2017 Return-path: Envelope-to: guile-user@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dn4kA-0001QP-74 for guile-user@m.gmane.org; Wed, 30 Aug 2017 17:17:26 +0200 Original-Received: from localhost ([::1]:51119 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dn4kH-0006Tm-5k for guile-user@m.gmane.org; Wed, 30 Aug 2017 11:17:33 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60046) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dn4jN-0006FD-A3 for guile-user@gnu.org; Wed, 30 Aug 2017 11:16:42 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dn4jJ-0002zK-St for guile-user@gnu.org; Wed, 30 Aug 2017 11:16:37 -0400 Original-Received: from mx.kolabnow.com ([95.128.36.42]:20178) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dn4jJ-0002xv-LW for guile-user@gnu.org; Wed, 30 Aug 2017 11:16:33 -0400 Original-Received: from localhost (unknown [127.0.0.1]) by ext-mx-out002.mykolab.com (Postfix) with ESMTP id EFD4D21C6 for ; Wed, 30 Aug 2017 17:16:30 +0200 (CEST) X-Virus-Scanned: amavisd-new at mykolab.com Original-Received: from mx.kolabnow.com ([127.0.0.1]) by localhost (ext-mx-out002.mykolab.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id G8ut9JWJokkC for ; Wed, 30 Aug 2017 17:16:28 +0200 (CEST) Original-Received: from int-mx001.mykolab.com (unknown [10.9.13.1]) by ext-mx-out002.mykolab.com (Postfix) with ESMTPS id 446BB138 for ; Wed, 30 Aug 2017 17:16:28 +0200 (CEST) Original-Received: from ext-subm002.mykolab.com (unknown [10.9.6.2]) by int-mx001.mykolab.com (Postfix) with ESMTPS id 350B7103 for ; Wed, 30 Aug 2017 17:16:28 +0200 (CEST) In-Reply-To: <87bmmxun8t.fsf@gmail.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 95.128.36.42 X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "guile-user" Xref: news.gmane.org gmane.lisp.guile.user:14084 Archived-At: --=-W4MKgs96s+6Bq9bMDiPj Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Ok, okay. Is there some way to affect that? Perhaps I have to use some debug printing or stop points to see those values? On Wed, 2017-08-30 at 22:46 +0800, Alex Vong wrote: > Christopher Howard writes: >=20 > > Hi, what does the underscore character mean in this debug output? > >=20 > > =C2=A0=C2=A0=C2=A0159:37=C2=A0=C2=A05 (delete ((3 . "c") (((2 . "b") ((= )) 1) (5 . "e") (()) > > 1) > > 2) 2) > > =C2=A0=C2=A0=C2=A0163:49=C2=A0=C2=A04 (delete ((2 . "b") (()) 1) _) > > =C2=A0=C2=A0=C2=A0=C2=A0152:9=C2=A0=C2=A03 (delete _ _) > > =C2=A0=C2=A0=C2=A0=C2=A086:11=C2=A0=C2=A02 (skew _) > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A064:6=C2=A0=C2=A01 (horizontal-left-link? = _) > > =C2=A0=C2=A0=C2=A0=C2=A046:11=C2=A0=C2=A00 (left-tree _) > >=20 > > Knowing the value of those parameters would be super helpful here, > > but > > for some reason they have been replaced by underscores. >=20 > My guess would be that those values are being garbage-collected. > Since _ > is the pattern for matching an arbitary value, it is used to denote a > garbage-collected value. --=20 https://qlfiles.net https://emailselfdefense.fsf.org/en/ --=-W4MKgs96s+6Bq9bMDiPj Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEE3cRyrLOhI3rPcNVUee7NbCP9XMUFAlmm1sgACgkQee7NbCP9 XMWc3QgApqi22LutQ4U53blv0Il7h1ipTnXLFGkJh3u+kuikSe2IihJiDDoJUGwh X6OZV4k2juet5EKT1hKcs26extGdvFhikC6fIS7+e42fwMJjXQPfw6sso78aNaY+ QdZd9PZ/LSjVX8jXj05US2elgwMxwXw7wO3/r+5VU4BOVwI0ZH20tkzaqo2du70E ixKQGCQcTAWLYJEld1+Z888uQF9iC9qCDl3v8lg4AdcsLUxnRopuH0YfHSr8CE06 qOtt+55jX02X1dvp3ym6sAoXSAqSEfN9bVtVuUm8XAfyCp7p6+FJ3TygYnmOEk5W Zs4Hf+ftz93hVfySqXw0+KF76oJX+w== =Unv/ -----END PGP SIGNATURE----- --=-W4MKgs96s+6Bq9bMDiPj--