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Article #3504

Re: Run-time Type Errors in Smalltalk (was Re: blip (was...))

#3504
From: Norman Diamond
Date: Mon, 15 Apr 1991 06:51
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In article <4243.2805b94a@iccgcc.decnet.ab.com> klimas@iccgcc.decnet.ab.com writes:
>	Some info that I picked up from a company doing a lot of big
>	project work with C++ (i.e. strong type checking language) was
>	that postmortems on their project revealed only 10% of their
>	errors were captured by strong type checking.

This is a perfect example of engineering skills that have been learned
through hard efforts and then rejected by practitioners who refuse to
be engineers.

In any other field of engineering, a 10% increase in safety would always
be applied.  To reject it would be grounds for lawsuits, at least.

(Well, it did take a while before the auto industry accepted that lesson.
And one of the fallouts of the Reagan era is lower safety standards in
the auto industry.  Hmm.....)
--
Norman Diamond       diamond@tkov50.enet.dec.com
If this were the company's opinion, I wouldn't be allowed to post it.
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Message-ID: <1991Apr15.065146.16680@tkou02.enet.dec.com>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!swrinde!elroy.jpl.nasa.gov!decwrl!pa.dec.com!jrdzzz.jrd.dec.com!tkou02.enet.dec.com!jit345!diamond
References: <887@puck.mrcu> <OLSON.91Apr6172626@lear.juliet.ll.mit.edu> <4243.2805b94a@iccgcc.decnet.ab.com>

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From: diamond@jit345.swstokyo.dec.com (Norman Diamond)
Newsgroups: comp.lang.misc,comp.object
Subject: Re: Run-time Type Errors in Smalltalk (was Re: blip (was...))
Message-ID: <1991Apr15.065146.16680@tkou02.enet.dec.com>
Date: 15 Apr 91 06:51:46 GMT
References: <887@puck.mrcu> <OLSON.91Apr6172626@lear.juliet.ll.mit.edu> <4243.2805b94a@iccgcc.decnet.ab.com>
Sender: usenet@tkou02.enet.dec.com (USENET News System)
Reply-To: diamond@jit345.enet@tkou02.enet.dec.com (Norman Diamond)
Organization: Digital Equipment Corporation Japan , Tokyo
Lines: 19