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-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,25aa3c7e1b59f7b5 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2002-01-04 06:40:10 PST Path: archiver1.google.com!news1.google.com!sn-xit-02!supernews.com!newsfeed.direct.ca!look.ca!cpk-news-hub1.bbnplanet.com!cambridge1-snf1.gtei.net!news.gtei.net!bos-service1.ext.raytheon.com!dfw-service2.ext.raytheon.com.POSTED!not-for-mail Message-ID: <3C35BEBA.DBD84DB2@spamcop.net> From: Wes Groleau Reply-To: wesgroleau@spamcop.net X-Mailer: Mozilla 4.77 [en] (Windows NT 5.0; U) X-Accept-Language: en,es-MX,es,pt,fr-CA,fr MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: A case where Ada defaults to unsafe? References: <3C34BF2C.6030500@mail.com> <3C34D252.4070307@mail.com> <3C34E43E.5070906@mail.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Date: Fri, 04 Jan 2002 09:39:54 -0500 NNTP-Posting-Host: 151.168.144.162 X-Complaints-To: news@ext.ray.com X-Trace: dfw-service2.ext.raytheon.com 1010155209 151.168.144.162 (Fri, 04 Jan 2002 08:40:09 CST) NNTP-Posting-Date: Fri, 04 Jan 2002 08:40:09 CST Organization: Raytheon Company Xref: archiver1.google.com comp.lang.ada:18523 Date: 2002-01-04T09:39:54-05:00 List-Id: Hyman Rosen wrote: > You haven't answered my question, though. Isn't the commutative semantic > less safe than the short circuit one? Not necessarily. A person who could type the example you gave and not know that the order matters could just as easily type them in the wrong order. And there's a big difference between something that's raises an exception at _one_place_ in _one_unit_ and something that makes other things unreliable in other files. -- Wes Groleau http://freepages.rootsweb.com/~wgroleau