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=-0.3 required=5.0 tests=BAYES_00, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: 103376,703c4f68db81387d X-Google-Thread: 109fba,703c4f68db81387d X-Google-Thread: 115aec,703c4f68db81387d X-Google-Thread: f43e6,703c4f68db81387d X-Google-Attributes: gid103376,gid109fba,gid115aec,gidf43e6,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news1.google.com!proxad.net!freenix!talisker.lacave.net!lacave.net!feeder.xsnews.nl!62.212.80.10.MISMATCH!peering.newsgrid.com!feeder.news-service.com!post.news-service.com!news1.surfino.com!not-for-mail Message-Id: <1111693813.9HLlaHQRYx@linux1.krischik.com> From: Martin Krischik Subject: Re: Teaching new tricks to an old dog (C++ -->Ada) Newsgroups: comp.lang.ada,comp.lang.c++,comp.realtime,comp.software-eng Followup-To: comp.lang.ada Reply-To: martin@krischik.com Date: Thu, 24 Mar 2005 14:36:39 +0100 References: <4229bad9$0$1019$afc38c87@news.optusnet.com.au> <1110032222.447846.167060@g14g2000cwa.googlegroups.com> <871xau9nlh.fsf@insalien.org> <3SjWd.103128$Vf.3969241@news000.worldonline.dk> <87r7iu85lf.fsf@insalien.org> <1110052142.832650@athnrd02> <1110284070.410136.205090@o13g2000cwo.googlegroups.com> <395uqaF5rhu2mU1@individual.net> <1110329098.642196@athnrd02> <1110361741.551255@athnrd02> <422edaec$0$26554$9b4e6d93@newsread4.arcor-online.net> <1111464133.508323@athnrd02> <1111508368.393411.6450@z14g2000cwz.googlegroups.com> <1111522653.164049@athnrd02> <9Gi0e.815$FN4.52@newssvr21.news.prodigy.com> <25875118.D6KecKHI6J@linux1.krischik.com> <1111665559.548750@athnrd02> Organization: None User-Agent: KNode/0.8.0 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit X-Complaints-To: abuse@surfino.com NNTP-Posting-Host: 83.169.175.19 (83.169.175.19) NNTP-Posting-Date: Thu, 24 Mar 2005 15:04:06 +0100 X-Trace: 427544242c8d6f60c0ab614588 Xref: g2news1.google.com comp.lang.ada:9909 comp.lang.c++:47072 comp.realtime:1685 comp.software-eng:5291 Date: 2005-03-24T14:36:39+01:00 List-Id: Ioannis Vranos wrote: > Martin Krischik wrote: > >> As allways: the default behaviour. Default is static inheritance. >> >> Take the following example: >> >> class X : public A, public B { }; >> >> This causes a problem when you have >> >> class A: public C {}; >> >> class B public C {}; >> >> Of couse C++ has a perfectly good solution: >> >> class A: virtual public C {}; >> >> class B virtual public C {}; >> >> All very well, only I know C++ programmers which had 2 to 7+ years >> experience in C++ and did not know about it until I told them. And not >> just one programmer: the whole team of about 20! > > > Perhaps it was in the pre-standard era? :-)) I do not think there is any > intermediate level C++ programmer that does not know virtual bases. They started off in the pre-standard area an never learned any new tricks ;-) . However the pre-standard IBM compiler they used was advanced enough to have virtual base classes and I used them alot. Martin -- mailto://krischik@users.sourceforge.net Ada programming at: http://ada.krischik.com