From: Stefan Monnier <monnier@iro.umontreal.ca>
To: MON KEY <monkey@sandpframing.com>
Cc: 6878@debbugs.gnu.org
Subject: bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element
Date: Wed, 18 Aug 2010 09:36:55 +0200 [thread overview]
Message-ID: <jwvtyms4bll.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <AANLkTin6f1iczxWxqXGvQRQsA9ofOw2SQJFErTd1cp+z@mail.gmail.com> (MON KEY's message of "Wed, 18 Aug 2010 00:19:38 -0400")
> When aref/aset'ing the 0th element of a bool-vectors of length 0 i get
> an args-out-of-range error:
To have a 0th element, an array needs to be of length >= 1.
So this behavior seems perfectly correct to me.
An array of length N has elements 0..N-1, so an array of length
0 doesn't have any elements at all. This should be true of strings,
vectors, and bool-vectors.
Stefan
next prev parent reply other threads:[~2010-08-18 7:36 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-18 4:19 bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element MON KEY
2010-08-18 7:36 ` Stefan Monnier [this message]
2010-08-19 1:51 ` MON KEY
2010-08-19 8:42 ` Andreas Schwab
2010-08-19 14:13 ` MON KEY
2010-08-19 15:51 ` Stefan Monnier
2010-08-19 17:06 ` MON KEY
2010-08-19 14:47 ` Stefan Monnier
2010-08-19 15:04 ` Andreas Schwab
2010-08-19 16:18 ` Chong Yidong
2010-08-19 17:09 ` MON KEY
2010-08-19 18:40 ` Juanma Barranquero
2010-08-19 23:24 ` Chong Yidong
2010-08-20 2:01 ` MON KEY
2010-08-20 2:23 ` Juanma Barranquero
2010-08-20 18:01 ` MON KEY
2010-08-20 19:49 ` Juanma Barranquero
2010-08-20 23:06 ` MON KEY
2010-08-20 13:02 ` Stefan Monnier
2010-08-20 18:44 ` MON KEY
2010-08-21 12:40 ` Kevin Rodgers
2010-08-21 15:53 ` Andreas Schwab
2010-08-21 17:02 ` MON KEY
2010-08-18 8:36 ` Andreas Schwab
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=jwvtyms4bll.fsf-monnier+emacs@gnu.org \
--to=monnier@iro.umontreal.ca \
--cc=6878@debbugs.gnu.org \
--cc=monkey@sandpframing.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.