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-Thread: 103376,21960280f1d61e84 X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!news2.google.com!news.germany.com!ecngs!feeder.ecngs.de!130.59.10.21.MISMATCH!kanaga.switch.ch!news-zh.switch.ch!switch.ch!cernne03.cern.ch!not-for-mail From: Maciej Sobczak Newsgroups: comp.lang.ada Subject: Re: How come Ada isn't more popular? Date: Thu, 08 Feb 2007 09:10:41 +0100 Organization: CERN News Message-ID: References: <1169636785.504223.139630@j27g2000cwj.googlegroups.com> <45b8361a_5@news.bluewin.ch> <3pejpgfbki.fsf@hod.lan.m-e-leypold.de> <1ic9j6bmbl0ik.gvgqhl1ixvxk$.dlg@40tude.net> NNTP-Posting-Host: abpc10883.cern.ch Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: cernne03.cern.ch 1170922241 19053 137.138.37.241 (8 Feb 2007 08:10:41 GMT) X-Complaints-To: news@@cern.ch NNTP-Posting-Date: Thu, 8 Feb 2007 08:10:41 +0000 (UTC) User-Agent: Thunderbird 1.5.0.9 (X11/20061220) In-Reply-To: Xref: g2news2.google.com comp.lang.ada:9125 Date: 2007-02-08T09:10:41+01:00 List-Id: Markus E Leypold wrote: >> If you have cycles, then you'd better rethink the design. > A lot of OO models with callback also require cycles. E.g. A knows B > and B registers a callback with A in certain situations. That's not an ownership cycle. I have no problems with callbacks. Interestingly, "a lot of OO models" (in particular those which depend on callbacks) don't even require dynamic allocation, so I don't see what this argument has to do with GC. >> I agree that this kind of restructuring is not always possible, but > ^^^^^^^^^^^^^^^^^^^^^ > > !!. ?? -- Maciej Sobczak : http://www.msobczak.com/ Programming : http://www.msobczak.com/prog/