GNU bug report logs - #6878
bool-vectors of length 0 signal error when aref/aset the 0th element

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Package: emacs;

Reported by: MON KEY <monkey <at> sandpframing.com>

Date: Wed, 18 Aug 2010 04:19:02 UTC

Severity: minor

Done: Chong Yidong <cyd <at> stupidchicken.com>

Bug is archived. No further changes may be made.

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Message #55 received at 6878 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: MON KEY <monkey <at> sandpframing.com>
Cc: Juanma Barranquero <lekktu <at> gmail.com>, Chong Yidong <cyd <at> stupidchicken.com>,
	Andreas Schwab <schwab <at> linux-m68k.org>, 6878 <at> debbugs.gnu.org
Subject: Re: bug#6878: bool-vectors of length 0 signal error when aref/aset
	the 0th element
Date: Fri, 20 Aug 2010 15:02:41 +0200

> As you wish. Though, I don't think changing the wording solves the
> real problem If there are no good reasons to create a boole-vectro of
> length 0 why allow it?

That's the wrong question. The question is: why not allow them?

> Emacs lisp doesn't and I can think of no good reasons to create 0
> length bool-vectors.
> Can any one else?

The same reasons to create zero-length strings.


        Stefan
This bug report was last modified 14 years and 337 days ago.

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