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=unavailable autolearn_force=no version=3.4.4 Path: buffer1.nntp.dca1.giganews.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!goblin1!goblin.stu.neva.ru!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!.POSTED!not-for-mail From: "J-P. Rosen" Newsgroups: comp.lang.ada Subject: Re: If not Ada, what else... Date: Tue, 21 Jul 2015 22:05:50 +0200 Organization: A noiseless patient Spider Message-ID: References: <29dd5458-f9ce-4db8-9128-8ab35a9ce5f8@googlegroups.com> <64bc671c-72e5-4924-b703-3b907c69949c@googlegroups.com> <877fq9uj6g.fsf@theworld.com> <65061686-5c8f-433b-9b11-9e228298158e@googlegroups.com> <87k2u96jms.fsf@jester.gateway.sonic.net> <06f8a6f9-d219-4d40-b9ac-8518e93839bd@googlegroups.com> <87y4io63jy.fsf@jester.gateway.sonic.net> <7a29d3e9-d1bd-4f4a-b1a6-14d3e1a83a4d@googlegroups.com> <87mvz36fen.fsf@jester.gateway.sonic.net> <2215b44f-8a89-47c6-a4c4-52b74d2dac45@googlegroups.com> <9e492c82-868d-43d3-a18a-38274400e337@googlegroups.com> <40184feb-4053-4ac3-8eaa-c3bd9cd8a77c@googlegroups.com> <10272577-945f-4682-85bc-8ad47f3653ae@googlegroups.com> <87si8i81k2.fsf@atmarama.net> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit Injection-Date: Tue, 21 Jul 2015 20:04:21 +0000 (UTC) Injection-Info: mx02.eternal-september.org; posting-host="2b3884a634d8f846e0712b4e3a92507a"; logging-data="10671"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/jSnq6N8hQbt6vPeE/9t3+" User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 In-Reply-To: Cancel-Lock: sha1:AuPIQ59ESx+vJPHwvvQ1fJ4u9pY= Xref: number.nntp.giganews.com comp.lang.ada:194248 Date: 2015-07-21T22:05:50+02:00 List-Id: Le 21/07/2015 20:51, Simon Wright a écrit : > abstract class type A is > procedure P1 (This : in out T) is abstract; > end A; > > class type T is new A with > overriding procedure P1 (This : in out A); > not overriding function F1 (This : A) return Integer; > private > V : Integer; > end T; > > etc etc; not a million miles from Ada as we know it. And how would you make the difference between specific and class-wide types? (A huge advantage of Ada over other OO models, IMHO) -- J-P. Rosen Adalog 2 rue du Docteur Lombard, 92441 Issy-les-Moulineaux CEDEX Tel: +33 1 45 29 21 52, Fax: +33 1 45 29 25 00 http://www.adalog.fr