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Re: GC: marking traversal and pure symbols


From: Andreas Schwab
Subject: Re: GC: marking traversal and pure symbols
Date: Fri, 06 Jul 2007 11:29:49 +0200
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux)

David Kastrup <address@hidden> writes:

> Richard Stallman <address@hidden> writes:
>
>> We can't make Qnil pure, because its plist can be written.
>> (It can also be defined as a function, though that would be an
>> ugly thing to do.)
>
> Would it not make sense to restrict the purity notion to the value
> cell of a symbol?

It wouldn't buy us anything, since the value of Qnil is nil.

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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