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=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,e8023133274ae02c X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!news2.google.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Peter Amey Newsgroups: comp.lang.ada Subject: Re: procedural vs object oriented Date: Thu, 27 Apr 2006 16:38:58 +0100 Message-ID: <4bc6skF10g8f8U1@individual.net> References: <1146039364.130635.181590@v46g2000cwv.googlegroups.com> <871wvjh9te.fsf@ludovic-brenta.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Trace: individual.net YXPbuOsX6+bJMfkp4MeriA5SPj6wFxXiQho8JNszJy4IdWbDs= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en In-Reply-To: <871wvjh9te.fsf@ludovic-brenta.org> Xref: g2news2.google.com comp.lang.ada:3960 Date: 2006-04-27T16:38:58+01:00 List-Id: Ludovic Brenta wrote: [snip] > > > According to Robert Dewar during FOSDEM, nobody uses OOP in avionics > software, because the uncertainty inherent to dynamic dispatching > hinders certification. Is someone on this newsgroup in a position to > give a counter-example? > The committee that is revising the DO-178B avionics "standard" is currently meeting in Los Angeles. There is an entire sub-group devoted to the problem of certifying O-O software. At the breaks, they look like it is proving hard work! Those of us in the formal methods sub-group are having a slightly easier time. Peter