From: ichbiah@jdi.tiac.net (Jean D. Ichbiah)
Subject: Re: "Beaujolais Effect" -- what is it?
Date: Sat, 19 Nov 1994 17:04:39 GMT
Date: 1994-11-19T17:04:39+00:00 [thread overview]
Message-ID: <ichbiah.53.2ECE3027@jdi.tiac.net> (raw)
In-Reply-To: EACHUS.94Nov17131031@spectre.mitre.org
eachus@spectre.mitre.org (Robert I. Eachus) writes:
> I'll take a shot. Jean Ichbiah offered a bottle of Beaujolais to
> the first person to find an Ada 83 program where adding a use clause
> changed the meaning of the program without changing the legality.
Correct.
It is worth pointing that many popular languages have Beaujolais
effect: Borland Pascal "uses" clause, which takes and additive,
layer-after-layer, interpretation of what you see in the used packages
(units) definitely exhibits a Beaujolais effect.
Last time I looked at C++, my impression was that several years
of Beaujolais vintage productions would be required.
For a component-based software development, such effects are undesirable
since your application may start not working when you recompile
it with the new - supposedly improved - version of a component.
Jean D. Ichbiah
next prev parent reply other threads:[~1994-11-19 17:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
1994-11-17 14:53 "Beaujolais Effect" -- what is it? John Volan
1994-11-17 13:10 ` Robert I. Eachus
1994-11-19 17:04 ` Jean D. Ichbiah [this message]
1994-11-20 23:15 ` Matt Kennel
1994-11-18 21:37 ` Tucker Taft
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