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From: Kevlin Henney (kevlin_at_[hidden])
Date: 2000-11-29 12:23:46

In message <9035rl+sp42_at_[hidden]>, William Kempf <sirwillard_at_my-> writes
>> I suspect that somewhere in here we might be in agreement ;-)
>I'm not so sure. You're still in favor of COW, and frankly I don't
>think that's valid, much less the/a preferred approach here.

In which case I think we are in agreement: I am definitely _not_ in
favour of COW. The reason I raised COW is because it causes so many
problems, and hence why I would not be in favour of that as an approach.
COW is the reason that a hidden, reference-counting optimisation is
difficult, and that any reference-counting implementation, to be
workable in this case, would not be an optimisation but a semantic
requirement. This is perhaps where we part company, because I think such
a semantic requirement is unreasonable as it embodies a different

For the record I also think that there is too much focus on optimisation
here: That is why am I have been trying to debunk the optimisation-
focused approach :->


  Kevlin Henney phone: +44 117 942 2990
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