GNU bug report logs - #14792
Error in manual "(guile-2) Object Properties"

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Message #40 received at 14792 <at> debbugs.gnu.org (full text, mbox):

From: Mark H Weaver <mhw <at> netris.org>
To: David Kastrup <dak <at> gnu.org>
Cc: 14792 <at> debbugs.gnu.org, 18223 <at> debbugs.gnu.org, request <at> debbugs.gnu.org
Subject: Re: bug#18223: Duplicate of issue 14792
Date: Sun, 10 Aug 2014 23:00:37 -0400

merge 18223 14792
close 18223
close 14792
thanks

David Kastrup <dak <at> gnu.org> writes:

> Here is the rationale in code: object properties are implemented via
> key-weak hash tables, and weak hash tables will not work with eqv? as
> equivalence since key-weakness is related to garbage collection which
> cannot consider anything but eq?-equivalence.
>
> scheme@(guile-user)> (define x (make-weak-key-hash-table))
> scheme@(guile-user)> (hashv-set! x 100000000000000000000 #t)
> $6 = #t
> scheme@(guile-user)> (gc)
> scheme@(guile-user)> (hashv-ref x 100000000000000000000)
> $7 = #f

Indeed, you are right.  I added a proper commit message to your patch,
and have applied it to the stable-2.0 branch.  I'm closing both bugs.

     Thanks!
       Mark

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