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Re: Design Decisions and Hurd/L4 work (was: Re: Improving Hurd)


From: Jan Atle Ramsli
Subject: Re: Design Decisions and Hurd/L4 work (was: Re: Improving Hurd)
Date: Mon, 22 Apr 2002 18:13:49 +0200

"Thomas Bushnell, BSG" wrote:
> 
> Jan Atle Ramsli <trollet@skynet.be> writes:
>
> That's not what I said.  You are getting really annoying; it's as if
> you *want* to misunderstand.

> Geez, an elementary programming text might help.
> 
> Two classic examples:
> 
> First failure mode: ADT specifications do not include information on
> time complexity or expected uses.  Consider for example an X 11
> "window" as an ADT.  Now, what would you say if a spreadsheet design
> started off with "ok, create 1,000,000 windows, one for each cell, and
> we can just use X to manage display and positioning".  Whoops!
> 
> Second failure mode: It's not possible in a strict ADT style to have
> objects which live on several efficiently managed data structures at
> once.
> 
Is there a 'tone of voice' in here?

Thanks, I will look at this.

Atle



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