Re: LSP Was: Mixing OO and DB
From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Fri, 22 Feb 2008 08:21:29 -0400
Message-ID: <47bebe4a$0$4075$9a566e8b_at_news.aliant.net>
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> I can only conclude that you are an immense fool, for making claims
> about what people can or cannot do, with no context info to base your claim
> on (someone with nominal intelligence would IMHO at the very least
> challenge me to provide the demonstration - YMMV of course) .
Date: Fri, 22 Feb 2008 08:21:29 -0400
Message-ID: <47bebe4a$0$4075$9a566e8b_at_news.aliant.net>
S Perryman wrote:
>> S Perryman wrote:
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>> [snip]
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>>> And for practical demonstration, I can take the apocrypthal >>> Circle/Ellipse >>> problem, and show that Circle is not a Liskov/Wing subtype of Ellipse >>> without ever needing to see any program that may be using Circle or >>> Ellipse types.
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>> In that case, I can only conclude you are an ignorant fool because D&D >> responded to L&W showing a computational model where Circle is indeed >> a subtype of Ellipse.
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> I can only conclude that you are an immense fool, for making claims
> about what people can or cannot do, with no context info to base your claim
> on (someone with nominal intelligence would IMHO at the very least
> challenge me to provide the demonstration - YMMV of course) .
The Third Manifesto. Cure your ignorance and read it. Received on Fri Feb 22 2008 - 13:21:29 CET