Re: LSP Was: Mixing OO and DB
From: S Perryman <q_at_q.com>
Date: Fri, 22 Feb 2008 12:14:19 +0000
Message-ID: <fpmeb4$u98$1_at_aioe.org>
Date: Fri, 22 Feb 2008 12:14:19 +0000
Message-ID: <fpmeb4$u98$1_at_aioe.org>
> S Perryman wrote:
> [snip]
>> 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.
> 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.
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) . Received on Fri Feb 22 2008 - 13:14:19 CET