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From: Lars Brinkhoff <lars@nocrew.org>
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Subject: Re: Object identity
Date: 21 Oct 2003 21:00:39 +0200
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Stefan Monnier <monnier@iro.umontreal.ca> writes:
> > Is there a function, say object-identity, in Emacs Lisp that maps an
> > object to a unique value (other than the object itself)?
> I'm wondering what you want it for.

In the implementation of Common Lisp's print-unreadable-object when
:identity t is supplied.

-- 
Lars Brinkhoff,         Services for Unix, Linux, GCC, HTTP
Brinkhoff Consulting    http://www.brinkhoff.se/