Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!ecngs!feeder2.ecngs.de!novso.com!newsfeed.xs4all.nl!newsfeed4a.news.xs4all.nl!xs4all!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 0.000 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'from:addr:yahoo.co.uk': 0.04; 'tree': 0.05; 'pypy': 0.07; 'lawrence': 0.09; 'library?': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'trees': 0.09; 'python': 0.11; 'language.': 0.14; '22:06,': 0.16; 'jython,': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'language': 0.16; 'wrote:': 0.18; 'library': 0.18; '>>>': 0.22; 'programming': 0.22; 'saying': 0.22; 'header:User-Agent:1': 0.23; "aren't": 0.24; 'header:X-Complaints-To:1': 0.27; 'header :In-Reply-To:1': 0.27; 'probably': 0.32; 'languages': 0.32; 'implemented': 0.33; "i'd": 0.34; 'there': 0.35; 'mapping': 0.38; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'received:org': 0.40; 'most': 0.60; 'such': 0.63; 'our': 0.64; 'provide': 0.64; 'charset:windows-1252': 0.65 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Mark Lawrence Subject: Re: Trees Date: Tue, 20 Jan 2015 14:21:14 +0000 References: <87k30ihvvx.fsf@elektro.pacujo.net> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: host-92-24-222-48.ppp.as43234.net User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 In-Reply-To: <87k30ihvvx.fsf@elektro.pacujo.net> 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: 24 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1421763694 news.xs4all.nl 2851 [2001:888:2000:d::a6]:41659 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:84068 On 20/01/2015 05:19, Marko Rauhamaa wrote: > Mark Lawrence : > >> On 19/01/2015 22:06, Zachary Gilmartin wrote: >>> Why aren't there trees in the python standard library? >> >> Probably because you'd never get agreement as to which specific tree >> and which specific implementation was the most suitable for inclusion. > > Most programming languages provide one standard sorted mapping > implementation. > I'd have thought it would be the standard library and not the language that provided a sorted mapping. Are you also saying that this has to be implemented as a tree, such that this has to be provided by cPython, Jython, IronPython, Pypy and so on and so forth? -- My fellow Pythonistas, ask not what our language can do for you, ask what you can do for our language. Mark Lawrence