From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Qiantan Hong Newsgroups: gmane.emacs.devel Subject: Re: `unreadablep' Date: Thu, 16 Dec 2021 15:35:47 +0000 Message-ID: References: <87bl1imhnd.fsf@gnus.org> <8735mtje0u.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="23090"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Po Lu , Eli Zaretskii , Stefan Monnier , "emacs-devel@gnu.org" To: "larsi@gnus.org" Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Dec 16 16:37:40 2021 Return-path: Envelope-to: ged-emacs-devel@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 1mxsp9-0005pC-VE for ged-emacs-devel@m.gmane-mx.org; Thu, 16 Dec 2021 16:37:39 +0100 Original-Received: from localhost ([::1]:54238 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mxsp8-0005qA-EJ for ged-emacs-devel@m.gmane-mx.org; Thu, 16 Dec 2021 10:37:38 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:44804) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mxsne-0004yi-T1 for emacs-devel@gnu.org; Thu, 16 Dec 2021 10:36:06 -0500 Original-Received: from outgoing-exchange-7.mit.edu ([18.9.28.58]:60833) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mxsna-0000eu-S9; Thu, 16 Dec 2021 10:36:06 -0500 Original-Received: from w92exedge3.exchange.mit.edu (W92EXEDGE3.EXCHANGE.MIT.EDU [18.7.73.15]) by outgoing-exchange-7.mit.edu (8.14.7/8.12.4) with ESMTP id 1BGFZs8H008502; Thu, 16 Dec 2021 10:36:00 -0500 Original-Received: from w92expo16.exchange.mit.edu (18.7.74.70) by w92exedge3.exchange.mit.edu (18.7.73.15) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Thu, 16 Dec 2021 10:35:43 -0500 Original-Received: from oc11expo16.exchange.mit.edu (18.9.4.47) by w92expo16.exchange.mit.edu (18.7.74.70) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Thu, 16 Dec 2021 10:35:47 -0500 Original-Received: from oc11expo16.exchange.mit.edu ([18.9.4.47]) by oc11expo16.exchange.mit.edu ([18.9.4.47]) with mapi id 15.00.1497.023; Thu, 16 Dec 2021 10:35:47 -0500 Thread-Topic: `unreadablep' Thread-Index: AQHX8Yw/j9AhzcoD/0uXIC6gYsX+RKw1leqA In-Reply-To: <8735mtje0u.fsf@gnus.org> Accept-Language: en-US Content-Language: en-US x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [128.12.11.144] Content-ID: <886C76FB311A8745B9C9A1C5EA7B596B@exchange.mit.edu> Received-SPF: pass client-ip=18.9.28.58; envelope-from=qhong@mit.edu; helo=outgoing-exchange-7.mit.edu X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=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-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:282162 Archived-At: >> My memory suggests the plan was to add something like >> a `print-unreadable-function` that gets called with the offending >> object. It could then print it any which way it wants, or signal an >> error or ... >=20 > Then it seems like most everybody's who's weighed in is in favour of > that solution Is it possible to also provide a companion function for read? Namely, read-unreadable-function, that gets called when encountering #<.