From: Andreas Schwab <schwab@suse.de>
Cc: emacs-devel@gnu.org
Subject: Re: Is this a bug of Emacs-Lisp?
Date: Fri, 17 Feb 2006 17:28:27 +0100 [thread overview]
Message-ID: <jebqx6eyqc.fsf@sykes.suse.de> (raw)
In-Reply-To: <87slqipmde.fsf@emacsfans.org> (Zhang Wei's message of "Fri, 17 Feb 2006 13:47:41 +0800")
Zhang Wei <id.brep@gmail.com> writes:
> (defun dummy () '(1 . 2))
>
> (dummy)
> => (1 . 2)
>
> (setcdr (dummy) 3)
>
> (dummy)
> => (1 . 3)
>
> Modify the return value of dummy changed it's defination. Is this
> a bug of Elisp? If it's not. How does this happen?
You can write FORTRAN in any language. :-) If you are destructively
modifying a constant, you'll get such results.
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:[~2006-02-17 16:28 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-17 5:47 Is this a bug of Emacs-Lisp? Zhang Wei
2006-02-17 16:21 ` Giorgos Keramidas
2006-02-18 5:26 ` Drew Adams
2006-02-18 6:42 ` Drew Adams
2006-02-18 16:18 ` Andreas Schwab
2006-02-17 16:28 ` Andreas Schwab [this message]
2006-02-17 17:20 ` David Kastrup
2006-02-17 17:57 ` Luc Teirlinck
2006-02-17 18:18 ` Luc Teirlinck
2006-02-17 19:24 ` Alan Mackenzie
2006-02-17 19:29 ` Kevin Rodgers
2006-02-17 22:34 ` Sascha Wilde
2006-02-18 18:34 ` Richard M. Stallman
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