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Message from discussion Done with thread-safe CLOS.
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Duane Rettig  
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 More options Aug 29 2010, 10:19 am
Newsgroups: comp.lang.lisp
From: Duane Rettig <du...@franz.com>
Date: Sun, 29 Aug 2010 07:19:45 -0700 (PDT)
Local: Sun, Aug 29 2010 10:19 am
Subject: Re: Done with thread-safe CLOS.
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On Aug 28, 10:06 am, Tim Bradshaw <t...@tfeb.org> wrote:

> On 2010-08-28 02:54:12 +0100, Jean-Claude Beaudoin said:

> > But I strongly believe that, had we used CLOS for real then its
> > thread-safety flaws would have been exposed way back then.

> I'm reasonably sure that (new) flavors had all the issues that CLOS
> has.  I also think you are making mountains out of molehills in some
> mad kind of way.

Flavors didn't (doesn't) have a change-class that affects instances.
Many years ago one of our large clients who used flavors for their
system asked us to look into the possibility of reworking flavors to
allow for a clos-like change-class.  It was going to be a tough
project; unfortunately the emphasis changed and the funds for that
project dried up.  If you think about it, though, one of the hardest
things to pin down in CLOS is the combination of change-class and lazy-
updating of instances.  It's also one of its greatest assets.

Duane


 
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