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=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,ef86287aa487b07a X-Google-Attributes: gid103376,public From: dennison@telepath.com Subject: Re: Pb with use of redefined "=" operator Date: 1998/11/10 Message-ID: <729rod$nlv$1@nnrp1.dejanews.com>#1/1 X-Deja-AN: 410342199 References: <363F62F3.3FF7@club-internet.fr> <3640B520.D7BEEE72@elca-matrix.ch> <71sc4h$6en$1@nnrp1.dejanews.com> <71tee6$pi5$1@nnrp1.dejanews.com> X-Http-Proxy: 1.0 x8.dejanews.com:80 (Squid/1.1.22) for client 204.48.27.130 Organization: Deja News - The Leader in Internet Discussion X-Article-Creation-Date: Tue Nov 10 17:05:16 1998 GMT Newsgroups: comp.lang.ada X-Http-User-Agent: Mozilla/4.05 [en] (WinNT; I) Date: 1998-11-10T00:00:00+00:00 List-Id: In article , Robert A Duff wrote: > dewarr@my-dejanews.com writes: > > >...(in many embedded and safety > > critical applications, tagged types are eliminated for good reasons!) > > I disagree with that part. Making a type tagged adds one word of > storage to each object of the type, in typical implementations of Ada. > It's quite easy to decide on a case-by-case basis whether that's "too > much". > > There might be reasons to forbid the 'Class attribute in certain > safety-critical applications, but I see no reason to forbid "tagged". > Tagged types (without 'Class) don't introduce any dynamic dispatching or > anything else that might be of concern. My understanding was that without 'Class, the tag may not even be *present* in the object. It isn't really needed, since every object's type is determinable at compile time. -- T.E.D. -----------== Posted via Deja News, The Discussion Network ==---------- http://www.dejanews.com/ Search, Read, Discuss, or Start Your Own