From -5349222575810494482 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f78e5,176c9dc06a6729eb X-Google-Attributes: gidf78e5,public X-Google-ArrivalTime: 2002-03-24 11:05:02 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!btnet-peer1!btnet-peer0!btnet!dispose.news.demon.net!news.demon.co.uk!demon!mail2news.demon.co.uk!not-for-mail From: "James Kuyper Jr." Newsgroups: comp.std.c++ Subject: Re: why doesn't delete NULL the pointer? Date: Sun, 24 Mar 2002 19:04:05 GMT Organization: Giganews.Com - Premium News Outsourcing Approved: Fergus Henderson , moderator of comp.std.c++ Message-ID: <3C9DF1AC.D46ECA4B@wizard.net> References: X-Trace: mail2news.demon.co.uk 1016996649 mail2news:10410 mail2news mail2news.demon.co.uk X-Complaints-To: abuse@demon.net X-Mail2News-Path: news.demon.net!mulga.cs.mu.oz.au X-Authentication-Warning: mulga.cs.mu.OZ.AU: fjh set sender to devnull@stump.algebra.com using -f X-Robomod: STUMP, ichudov@algebra.com (Igor Chudov) X-Accept-Language: en MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit NNTP-Posting-Date: Sun, 24 Mar 2002 09:27:15 CST X-DMCA-Notifications: http://www.giganews.com/info/dmca.html X-Abuse-Info: Please be sure to forward a copy of ALL headers X-Abuse-Info: Otherwise we will be unable to process your complaint properly Lines: 18 Xref: archiver1.google.com comp.std.c++:10154 Francis Glassborow wrote: .... > We could do with an FAQ round here. delete gets a pointer value, (and > essentially that is what it must get) aka an address of the object to be > destroyed and have its memory released. It knows nothing of the > location, if any, where that address is stored. The point is, that delete could have been given a different interface that took a pointer to a pointer, or a reference to a pointer, which would have allowed such semantics. So the question of why that wasn't done is legitimate. --- [ comp.std.c++ is moderated. To submit articles, try just posting with ] [ your news-reader. If that fails, use mailto:std-c++@ncar.ucar.edu ] [ --- Please see the FAQ before posting. --- ] [ FAQ: http://www.research.att.com/~austern/csc/faq.html ]