From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Barry Margolin Newsgroups: gmane.emacs.help Subject: Re: What does "lacks a prefix" mean? Date: Thu, 09 Jul 2015 19:27:11 -0400 Organization: A noiseless patient Spider Message-ID: References: <1e0ad02f-ca3e-495c-bb85-61f77090d31d@googlegroups.com> <87bnfmqzn2.fsf@kuiper.lan.informatimago.com> <87io9ui67a.fsf@nl106-137-147.student.uu.se> NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1436484627 15290 80.91.229.3 (9 Jul 2015 23:30:27 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 9 Jul 2015 23:30:27 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Jul 10 01:30:22 2015 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 1ZDLGl-0007Ss-S8 for geh-help-gnu-emacs@m.gmane.org; Fri, 10 Jul 2015 01:30:20 +0200 Original-Received: from localhost ([::1]:42286 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZDLGk-0008Na-Tc for geh-help-gnu-emacs@m.gmane.org; Thu, 09 Jul 2015 19:30:18 -0400 Original-Path: usenet.stanford.edu!news.kjsl.com!feeder.erje.net!1.eu.feeder.erje.net!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!barmar.motzarella.org!.POSTED!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 37 Injection-Info: barmar.motzarella.org; posting-host="2be9e9f5dd9af768b8861af71b85fc28"; logging-data="19326"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/Yp5jCvJ9NWSusadrp4d62" User-Agent: MT-NewsWatcher/3.5.3b3 (Intel Mac OS X) Cancel-Lock: sha1:9e7iLCRScC4gOuBU+BczlhbEsj8= Original-Xref: usenet.stanford.edu gnu.emacs.help:213284 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 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-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:105571 Archived-At: In article , Filipp Gunbin wrote: > On 09/07/2015 01:24 +0200, Emanuel Berg wrote: > > > BobD writes: > > > >> But of course. I'm fooling with old elisp that uses > >> "setq" willy-nilly, defying the notational > >> structuring with which latter day programmers have > >> been (properly) indoctrinated. If I must, I can > >> wedge some let's into the code. > > > > And: use `let*' if any variable depend on and uses > > a previously defined one to do its computation. > > > > Actually I see no harm using let* all the time. > > let* says "I need variables which depend on each other" and if they're > really not, that look strange. > > And probably it's a bit slower. If it is, that's a misfeature of the compiler. > And non-parallelizable theoretically :) Regular let isn't parallelizable. It specifies that the value expressions are evaluated in order. The only difference between the two is the environment within which later expressions are evaluated. -- Barry Margolin, barmar@alum.mit.edu Arlington, MA *** PLEASE post questions in newsgroups, not directly to me ***