String hierarchy (was: UTC-8 (was ...))

String hierarchy (was: UTC-8 (was ...))

AGREE at CarltonFields.com AGREE at CarltonFields.com
Tue Mar 21 17:20:34 UTC 2000

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> (BTW, if you have immutability, why care one way or another about
> uniqueness?

O(1) Equality testing.  Very useful for some things (like selectors).

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