[squeak-dev] Re: Ideas about sets and dictionaries

Randal L. Schwartz merlyn at stonehenge.com
Thu Nov 12 01:25:53 UTC 2009


>>>>> "Andreas" == Andreas Raab <andreas.raab at gmx.de> writes:

Andreas> Seriously, how *would* you address this problem if you weren't trying to make
Andreas> it fit exactly?

I like the proposal that each set have an additional instance var that gets an
"Object new" stuffed in it to indicate what "nil" does today, for that
*particular* set.  That seems relatively cost effective *and* space effective.
Every "isNil" for "this slot is empty" just becomes "== myEmptyVal".

-- 
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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