Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!1.eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed1a.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path: <python-python-list@m.gmane.org>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.022
X-Spam-Evidence: '*H*': 0.96; '*S*': 0.00; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'garbage': 0.16; 'message-id:@4ax.com': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'toolbox': 0.16; 'wed,': 0.18; 'slightly': 0.19; '(the': 0.22; 'memory': 0.22; 'programming': 0.22; 'pointer': 0.24; 'url:home': 0.24; 'updating': 0.26; 'second': 0.26; 'header:X -Complaints-To:1': 0.27; 'fixed': 0.29; "d'aprano": 0.31; 'steven': 0.31; 'subject:time': 0.33; 'could': 0.34; 'objects': 0.35; 'skip:> 10': 0.36; 'charset:us-ascii': 0.36; 'level': 0.37; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'skip:p 20': 0.39; 'received:org': 0.40; 'new': 0.61; 'first': 0.61; 'refer': 0.63; '2015': 0.84; 'technically': 0.84; 'received:108': 0.93
X-Injected-Via-Gmane: http://gmane.org/
To: python-list@python.org
From: Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject: Re: Slices time complexity
Date: Wed, 20 May 2015 08:07:38 -0400
Organization: IISS Elusive Unicorn
References: <7ea01590-a559-46e5-abf5-29622e39aae7@googlegroups.com> <555ac697$0$12910$c3e8da3$5496439d@news.astraweb.com> <862693ca-42cf-4f5b-ac12-133e43e7606b@googlegroups.com> <878uclf3bt.fsf@elektro.pacujo.net> <555af171$0$12995$c3e8da3$5496439d@news.astraweb.com> <874mn9ezaw.fsf@elektro.pacujo.net> <mailman.124.1432025439.17265.python-list@python.org> <cs0jeeFb5egU1@mid.individual.net> <555be7c9$0$12982$c3e8da3$5496439d@news.astraweb.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
X-Gmane-NNTP-Posting-Host: adsl-108-79-221-247.dsl.klmzmi.sbcglobal.net
X-Newsreader: Forte Agent 6.00/32.1186
X-No-Archive: YES
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.20+
Precedence: list
List-Id: General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe: <https://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive: <http://mail.python.org/pipermail/python-list/>
List-Post: <mailto:python-list@python.org>
List-Help: <mailto:python-list-request@python.org?subject=help>
List-Subscribe: <https://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups: comp.lang.python
Message-ID: <mailman.165.1432123664.17265.python-list@python.org>
Lines: 16
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1432123664 news.xs4all.nl 2910 [2001:888:2000:d::a6]:57249
X-Complaints-To: abuse@xs4all.nl
Xref: csiph.com comp.lang.python:90949

On Wed, 20 May 2015 11:47:52 +1000, Steven D'Aprano
<steve+comp.lang.python@pearwood.info> declaimed the following:

>
>Pascal programming on classic Macintosh used pointers-to-pointers
>extensively, so much so that they had a name, "handle". Technically though
>handles were managed by the Macintosh Toolbox routines, so slightly

	Main purpose was so the "user" object (the first level pointer) could
remain at a fixed location while the garbage collector could move the end
objects around to reclaim memory by updating the second level pointer to
refer to the new location.
-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
    wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/