> > for Squeak.  This is supposed to be a Dictionary which does not use
> > associations,
> 
> That was my understanding of Identity dictionary...to wit that it was
> standardly implemented as a pair of arrays.
> 

Just for the record, I looked this up.  (Work?  What's that?)

        1. IdentityDictionary is the same as Dictionary except for the equality
and hash functions used.

        2. MethodDictionary uses a two-array lookup, although the comment
claims this is more for space savings than for speed.



-Lex

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