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From: Antoon Pardon <antoon.pardon@rece.vub.ac.be>
Newsgroups: comp.lang.python
Subject: Re: Object identity has no necessary connection to memory location
Date: Thu, 26 Nov 2015 13:04:54 +0100
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Op 26-11-15 om 12:49 schreef Chris Angelico:
> I can't remember which language it was (maybe Lua?), but I know
> there's one that uses a machine word to store either a pointer to a
> heap object, or an integer of at most one less bit than the machine
> word, represented by 2*n+1.

I think that was smalltalk.