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: 103376,4b3c1a8f7db90f9 X-Google-Attributes: gid103376,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII Path: g2news1.google.com!news1.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!newsfeed00.sul.t-online.de!t-online.de!news.k-dsl.de!newsfeed-fusi2.netcologne.de!newsreader2.netcologne.de!news.netcologne.de!newsfeed-hp2.netcologne.de!newsfeed.arcor.de!newsspool2.arcor-online.net!news.arcor.de.POSTED!not-for-mail From: "Dmitry A. Kazakov" Subject: Re: Interfaces and abstract tagged types Newsgroups: comp.lang.ada User-Agent: 40tude_Dialog/2.0.15.1 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit Reply-To: mailbox@dmitry-kazakov.de Organization: cbb software GmbH References: <1w8x4i0peinwk$.16cenhvch5kv5.dlg@40tude.net> Date: Thu, 16 Oct 2008 10:29:34 +0200 Message-ID: NNTP-Posting-Date: 16 Oct 2008 10:29:35 CEST NNTP-Posting-Host: 04f738d2.newsspool4.arcor-online.net X-Trace: DXC=0RkXe;8T61`J00P1S40fZg4IUKoCZ]Sb2ZKg3m X-Complaints-To: usenet-abuse@arcor.de Xref: g2news1.google.com comp.lang.ada:2407 Date: 2008-10-16T10:29:35+02:00 List-Id: On Thu, 16 Oct 2008 00:51:53 -0700 (PDT), Ivan Levashew wrote: >>>> (Interfaces was a huge mistake) >> >>> Interesting. �Why do you say so? >> >> Because there already existed abstract types for >> that. One should simply >> have allowed honest multiple inheritance. >> >> The limitation of not having any implementations of >> primitive operations or >> component makes just no sense. > > I'm wondering why nobody has replied yet. Maybe, because I am right? (:-)) > I think it to be a known thing. Interfaces are by definition > implementation-less. Yep, a bankrupt bank is known to be money-less... An implementation-less program may sound funny, alas it turns into reality. As I described in my previous post, we have a growing amount of code that is just noise. -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de