From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Marcin Borkowski Newsgroups: gmane.emacs.help Subject: Re: Defining functions within functions? Date: Wed, 25 May 2016 17:41:23 +0200 Message-ID: <87mvne5en0.fsf@mbork.pl> References: <87k2ilbblk.fsf@mbork.pl> <87mvngsfiw.fsf@web.de> <874m9n6t3o.fsf@mbork.pl> <87vb2264mb.fsf@mbork.pl> <20160525090738.GB12975@tuxteam.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1464190929 19507 80.91.229.3 (25 May 2016 15:42:09 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 25 May 2016 15:42:09 +0000 (UTC) Cc: help-gnu-emacs@gnu.org To: tomas@tuxteam.de Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed May 25 17:42:09 2016 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1b5awf-00043r-Vm for geh-help-gnu-emacs@m.gmane.org; Wed, 25 May 2016 17:42:06 +0200 Original-Received: from localhost ([::1]:33655 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b5awe-0007Gh-V1 for geh-help-gnu-emacs@m.gmane.org; Wed, 25 May 2016 11:42:04 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39577) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b5awA-0007G1-I9 for help-gnu-emacs@gnu.org; Wed, 25 May 2016 11:41:40 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b5aw5-0003L8-GV for help-gnu-emacs@gnu.org; Wed, 25 May 2016 11:41:33 -0400 Original-Received: from mail.mojserwer.eu ([2a01:5e00:2:52::8]:40742) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b5aw5-0003Kq-9H for help-gnu-emacs@gnu.org; Wed, 25 May 2016 11:41:29 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by mail.mojserwer.eu (Postfix) with ESMTP id B1EB5BA5DBC; Wed, 25 May 2016 17:41:27 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mail.mojserwer.eu Original-Received: from mail.mojserwer.eu ([127.0.0.1]) by localhost (mail.mojserwer.eu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ezDtPnZNkMBy; Wed, 25 May 2016 17:41:24 +0200 (CEST) Original-Received: from localhost (unknown [77.88.191.10]) by mail.mojserwer.eu (Postfix) with ESMTPSA id 5F55ABA5DBA; Wed, 25 May 2016 17:41:24 +0200 (CEST) User-agent: mu4e 0.9.16; emacs 25.1.50.1 In-reply-to: <20160525090738.GB12975@tuxteam.de> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2a01:5e00:2:52::8 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:110109 Archived-At: On 2016-05-25, at 11:07, tomas@tuxteam.de wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On Wed, May 25, 2016 at 04:36:16AM -0400, Stefan Monnier wrote: > >> These kinds of callback codes are often described as "CPS-style code", >> and in some cases a couple of macros can go a long way to hiding this >> machinery and give the illusion of "plain old sequential code", reducing >> the nesting madness. > > Nevertheless: debugging is still torture, right? Especially with request.el... In case of (some types of) errors in callbacks, requests just fails completely silently, with no error message whatsoever... Best, -- Marcin Borkowski http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski Faculty of Mathematics and Computer Science Adam Mickiewicz University