From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,a644fa9cd1a3869a X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-11-10 14:40:10 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!netnews.com!xfer02.netnews.com!newsfeed2.earthlink.net!newsfeed.earthlink.net!newsmaster1.prod.itd.earthlink.net!newsread1.prod.itd.earthlink.net.POSTED!not-for-mail Message-ID: <3BEDACC0.9A314B54@acm.org> From: Jeffrey Carter X-Mailer: Mozilla 4.7 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: List container: Insert and Delete References: <3BECA3B7.5020702@telepath.com> <9sjf4n$odm$1@news.huji.ac.il> <9sjkc7$145mhb$1@ID-25716.news.dfncis.de> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Date: Sat, 10 Nov 2001 22:40:08 GMT NNTP-Posting-Host: 209.86.204.165 X-Complaints-To: abuse@earthlink.net X-Trace: newsread1.prod.itd.earthlink.net 1005432008 209.86.204.165 (Sat, 10 Nov 2001 14:40:08 PST) NNTP-Posting-Date: Sat, 10 Nov 2001 14:40:08 PST Organization: EarthLink Inc. -- http://www.EarthLink.net X-Received-Date: Sat, 10 Nov 2001 14:36:06 PST (newsmaster1.prod.itd.earthlink.net) Xref: archiver1.google.com comp.lang.ada:16254 Date: 2001-11-10T22:40:08+00:00 List-Id: Nick Roberts wrote: > > Sorry, but I want to draw attaention to a post I have made (which may have > got lost in another thread for some readers) in which I hopefully demolish > the idea that Insert or Delete is needed in a list container. You don't need > a 'Position' type (you have an implicit position in the list object itself). I recall that I couldn't understand your post. That may just be me, but I recall that no one else seemed to be able to understand your post (including you), and my request for an example that actually compiles has resulted in nothing so far. Mathematically, lists are defined in terms of positions and insertions and deletions. I don't know what you're talking about, but it isn't a list. -- Jeff Carter "Son of a window-dresser." Monty Python & the Holy Grail