[squeak-dev] Re: Letting Set contain nils?

Randal L. Schwartz merlyn at stonehenge.com
Mon Aug 11 14:11:38 UTC 2008


>>>>> "Jason" == Jason Johnson <jason.johnson.081 at gmail.com> writes:

Jason> He said explicitly that MetaNil wouldn't be an object, therefor no one
Jason> could try to put it in anything.  Think of something like "unbound" in
Jason> Lisp.  Of course this would likely be a huge change.

To create the first non-object in a sea of objects will likely break every bit
of inspection, introspection, copying, storing, and what not that we already
have.  This sounds far scarier than the "fill with self" strategies or the
"includesNil" strategies already described.

-- 
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<merlyn at stonehenge.com> <URL:http://www.stonehenge.com/merlyn/>
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