Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed4a.news.xs4all.nl!xs4all!news.tele.dk!news.tele.dk!small.news.tele.dk!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.029 X-Spam-Evidence: '*H*': 0.94; '*S*': 0.00; 'received:internal': 0.09; 'haskell,': 0.16; 'iirc': 0.16; 'iteration': 0.16; 'lisp': 0.16; 'macros': 0.16; 'message-id:@webmail.messagingengine.com': 0.16; 'received:10.202': 0.16; 'received:10.202.2': 0.16; 'received:66.111': 0.16; 'received:66.111.4': 0.16; 'received:66.111.4.27': 0.16; 'received:messagingengine.com': 0.16; 'received:out3-smtp.messagingengine.com': 0.16; 'semantics': 0.16; 'wrote:': 0.18; 'thu,': 0.19; 'programming': 0.22; 'community.': 0.22; 'all:': 0.24; 'header:In-Reply-To:1': 0.27; '13,': 0.31; 'received:66': 0.35; 'scheme': 0.36; 'subject:?': 0.36; 'received:10': 0.37; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'from:no real name:2**0': 0.61; 'header:Message-Id:1': 0.63; 'more': 0.64; 'subject:. ': 0.67; 'mar': 0.68; 'frank': 0.68; 'goal': 0.75; 'truth': 0.81; '2014,': 0.84; 'regarded': 0.84 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=fastmail.us; h= message-id:from:to:mime-version:content-transfer-encoding :content-type:in-reply-to:references:subject:date; s=mesmtp; bh= SiPKiHJFWH6K0GeRP5nYPDh9vxQ=; b=G2fMYigHuEjRbNX9Y2TGKaBsKKRmO6LP IMBj9FXpxkqfijjV8ThSgMezrfpUk61r9I+PoToQ9qUubdwlqz2qpXUPTTSnRpLt Gk9E+4HF1r2TWVTkhcOw2Ih7rMqcvIUa411qG5zqH34Ovd2+vCujE8ocV+7ZlnR6 wVSa5tCNwwU= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=message-id:from:to:mime-version :content-transfer-encoding:content-type:in-reply-to:references :subject:date; s=smtpout; bh=SiPKiHJFWH6K0GeRP5nYPDh9vxQ=; b=cTd UPDtbLmE33P3ueGAnrQAPuzd3i29ZseDNSxVGqdPuLaoVo3qSAcssz3eks/MRQMk vsW4WypiHlrqrSBp17Tnq2bWXgkBbjPP88wENdhOmomeZHozOZdUrrfpF1JQj8RJ JdaOR10SMpkStUFPQpsJyPs1DNeq75xwqRL57kJk= X-Sasl-Enc: EBK7yaxCCZSyEbdCeWPZHQf9bRlZuK0u5FYGT+X93Pw8 1394731508 From: random832@fastmail.us To: "" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain X-Mailer: MessagingEngine.com Webmail Interface - ajax-88721676 In-Reply-To: <04d2454f-4a22-482c-9d41-f2e1d2032675@googlegroups.com> References: <53206e6a$0$2886$e4fe514c@news2.news.xs4all.nl> <53207d77$0$2886$e4fe514c@news2.news.xs4all.nl> <5320e8c9$0$29994$c3e8da3$5496439d@news.astraweb.com> <0852919b-e5ac-42cc-b30f-f465a144e24e@googlegroups.com> <04d2454f-4a22-482c-9d41-f2e1d2032675@googlegroups.com> Subject: Re: Deep vs. shallow copy? Date: Thu, 13 Mar 2014 13:25:08 -0400 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 8 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1394731512 news.xs4all.nl 2970 [2001:888:2000:d::a6]:34499 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:68337 On Thu, Mar 13, 2014, at 11:28, Rustom Mody wrote: > Heh! I was hesitating to put that line at all: For one thing its a > hackneyed truth in the non-FP community. For another, in practical > Haskell, use of frank recursion is regarded as as sign of programming > immaturity: And IIRC Lisp and Scheme have loop macros (whose semantics are more like a goal seek than iteration IIRC).