From: Andreas Schwab <schwab@suse.de>
To: "Juanma Barranquero" <lekktu@gmail.com>
Cc: Dmitry Antipov <dmantipov@yandex.ru>, emacs-devel@gnu.org
Subject: Re: Using empty_string as the only "" string
Date: Tue, 24 Apr 2007 23:38:17 +0200 [thread overview]
Message-ID: <je7is1e9me.fsf@sykes.suse.de> (raw)
In-Reply-To: <f7ccd24b0704241150n333d4605x6b7ea32b169c2340@mail.gmail.com> (Juanma Barranquero's message of "Tue, 24 Apr 2007 20:50:26 +0200")
"Juanma Barranquero" <lekktu@gmail.com> writes:
> On 4/24/07, Andreas Schwab <schwab@suse.de> wrote:
>
>> I see nothing wrong with that.
>
> I do see it. The issue is not string comparison, but object identity.
> It's no different from
>
> (eq 0.0 0.0) => nil
>
> I would be mightily surprised if
>
> (eq (- 2.0 0.0) (- 2.0 0.0)) => nil
> (eq (- 2.0 1.0) (- 2.0 1.0)) => nil
> (eq (- 2.0 2.0) (- 2.0 2.0)) => t
>
> were true.
In which way is this different from
(eq (cdr '(a)) (cdr '(b))) => t
?
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2007-04-24 21:38 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-24 16:32 Using empty_string as the only "" string Dmitry Antipov
2007-04-24 17:05 ` Juanma Barranquero
2007-04-24 18:11 ` Andreas Schwab
2007-04-24 18:50 ` Juanma Barranquero
2007-04-24 21:38 ` Andreas Schwab [this message]
2007-04-24 21:54 ` Juanma Barranquero
2007-04-24 22:11 ` Andreas Schwab
2007-04-24 22:54 ` Juanma Barranquero
2007-04-24 21:57 ` David Kastrup
2007-04-24 22:07 ` Lennart Borgman (gmail)
2007-04-24 22:29 ` David Kastrup
2007-04-24 22:35 ` Andreas Schwab
2007-04-25 0:55 ` Kenichi Handa
2007-04-25 9:51 ` Andreas Schwab
2007-04-25 9:58 ` David Kastrup
2007-04-25 10:50 ` Andreas Schwab
2007-04-24 22:40 ` Lennart Borgman (gmail)
2007-04-24 22:12 ` Andreas Schwab
2007-04-24 22:31 ` David Kastrup
2007-04-24 22:56 ` Andreas Schwab
2007-04-24 21:39 ` Miles Bader
2007-04-24 21:45 ` Juanma Barranquero
2007-04-24 22:11 ` Miles Bader
2007-04-24 22:59 ` Juanma Barranquero
2007-04-24 23:37 ` Miles Bader
2007-04-24 23:44 ` Johan Bockgård
2007-04-25 1:47 ` Miles Bader
2007-04-25 14:52 ` Richard Stallman
2007-04-26 15:03 ` Daniel Brockman
2007-04-27 20:40 ` Richard Stallman
2007-04-25 2:05 ` Richard Stallman
2007-04-25 12:00 ` Juanma Barranquero
2007-04-25 2:05 ` Richard Stallman
2007-04-24 17:48 ` Stefan Monnier
2007-04-25 2:05 ` Richard Stallman
2007-04-26 14:24 ` Dmitry Antipov
2007-04-25 2:05 ` Richard Stallman
-- strict thread matches above, loose matches on Subject: below --
2007-04-25 5:38 using " dmantipov
2007-04-25 5:49 ` Miles Bader
2007-04-25 11:50 ` Juanma Barranquero
2007-04-25 11:56 ` Kenichi Handa
2007-04-25 13:22 ` Dmitry Antipov
2007-04-25 16:07 ` Stefan Monnier
2007-04-26 4:23 ` Richard Stallman
2007-04-26 13:03 ` Dmitry Antipov
2007-04-27 6:00 ` Richard Stallman
2007-04-27 10:04 ` Dmitry Antipov
2007-04-27 10:29 ` David Kastrup
2007-04-28 4:06 ` Richard Stallman
2007-04-28 8:54 ` Dmitry Antipov
2007-04-28 18:35 ` Richard Stallman
2007-06-05 15:43 ` Juanma Barranquero
2007-06-05 19:17 ` Richard Stallman
2007-06-05 19:45 ` Juanma Barranquero
2007-06-06 1:17 ` Stefan Monnier
2007-06-06 11:04 ` Juanma Barranquero
2007-06-06 22:09 ` Richard Stallman
2007-06-08 15:49 ` Juanma Barranquero
2007-06-08 19:16 ` Stefan Monnier
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