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,FREEMAIL_FROM autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,54889de51045a215 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2003-10-21 06:01:34 PST Path: archiver1.google.com!news2.google.com!news.maxwell.syr.edu!nntp.abs.net!ash.uu.net!spool.news.uu.net!not-for-mail Date: Tue, 21 Oct 2003 09:01:28 -0400 From: Hyman Rosen User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.5) Gecko/20031013 Thunderbird/0.3 X-Accept-Language: en-us, en MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: += in ada References: <3F7316F7.219F@mail.ru> <17cd177c.0310010606.52da88f3@posting.google.com> <3F8BC74F.2CFBFF37@0.0> <1066312000.671303@master.nyc.kbcfp.com> <1066322883.139702@master.nyc.kbcfp.com> <3F8F372D.9040801@comcast.net> <3F8F4559.50306@noplace.com> <3F929FC8.9070901@noplace.com> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Organization: KBC Financial Products Message-ID: <1066741288.910614@master.nyc.kbcfp.com> Cache-Post-Path: master.nyc.kbcfp.com!unknown@aphelion.nyc.kbcfp.com X-Cache: nntpcache 3.0.1 (see http://www.nntpcache.org/) NNTP-Posting-Host: 204.253.250.10 X-Trace: 1066741289 6790 204.253.250.10 Xref: archiver1.google.com comp.lang.ada:1283 Date: 2003-10-21T09:01:28-04:00 List-Id: Marius Amado Alves wrote: > No. They're useless. Ada 95 has several idioms to accomplish what Java > does with interfaces. The one thing you can do with interfaces that you cannot do in other ways is cross-cast between them, without having to know or mention a common ancestor or containing type.