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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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