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=-2.9 required=5.0 tests=BAYES_00,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.4 X-Google-Thread: 103376,703c4f68db81387d X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news1.google.com!proxad.net!usenet-fr.net!enst.fr!melchior!cuivre.fr.eu.org!melchior.frmug.org!not-for-mail From: Christoph Grein Newsgroups: comp.lang.ada Subject: Re: [OT] Re: Teaching new tricks to an old dog (C++ -->Ada) Date: Mon, 07 Mar 2005 15:30:25 +0100 Organization: Cuivre, Argent, Or Message-ID: 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> <87eket97gp.fsf@insalien.org> <422b6f4c.1142401556@news.xs4all.nl> Reply-To: Christoph.Grein@eurocopter.com NNTP-Posting-Host: lovelace.ada-france.org Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset=us-ascii Content-Transfer-Encoding: 7BIT X-Trace: melchior.cuivre.fr.eu.org 1110206616 11038 212.85.156.195 (7 Mar 2005 14:43:36 GMT) X-Complaints-To: usenet@melchior.cuivre.fr.eu.org NNTP-Posting-Date: Mon, 7 Mar 2005 14:43:36 +0000 (UTC) To: comp.lang.ada@ada-france.org Return-Path: X-Accept-Language: en-us, en User-Agent: Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.0.1) Gecko/20020920 Netscape/7.0 X-OriginalArrivalTime: 07 Mar 2005 14:42:23.0286 (UTC) FILETIME=[DFA49560:01C52323] X-Virus-Scanned: by amavisd-new-20030616-p10 (Debian) at ada-france.org X-BeenThere: comp.lang.ada@ada-france.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Gateway to the comp.lang.ada Usenet newsgroup" List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Xref: g2news1.google.com comp.lang.ada:8811 Date: 2005-03-07T15:30:25+01:00 > > >> I am definitely an Ada fan, but C++ templates are much much more >> powerfull. AFAIK C++ is the only language in which you can create a >> 'unit' based type system that is almost fully compile-time checked. > > > There is are various ways of doing this in Ada just now but they are > not zero-cost. A new way nearly made it into the Ada2005 standard, but > was going to take too long to 'get right' so it was dropped. Might be > looked at again for the 5-year ISO 'mini' revision. I hope so anyway. Which AI? I do hope you don't mean the Ada.Units Ada Issue (don't remember the number). This was a terrible proposal doomed to fail (albeit a clever one wrt. to Ada features used).