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Re: comparing symbols coming from gensym?
From: |
N. Raghavendra |
Subject: |
Re: comparing symbols coming from gensym? |
Date: |
24 Aug 2005 14:30:26 +0530 |
User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 |
At 2005-08-23T23:50:46-05:00, Joe Corneli wrote:
> Why is it that
>
> (setq a (gensym)) ;=> G2007
> a ;=> G2007
> (equal a 'G2007) ;=> nil
Perhaps this is because `a' is an uninterned symbol --- see
`(elisp)Creating Symbols' --- while `G2007' is an interned symbol.
(`gensym' creates an uninterned symbol.)
ELISP> (intern-soft a)
nil
ELISP> (intern-soft 'G55817)
G55817
> while
>
> (setq a 'foo) ;=> foo
> a ;=> foo
> (equal a 'foo) ;=> t
In this case, both `a' and `foo' are interned.
ELISP> (intern-soft a)
foo
ELISP> (intern-soft 'foo)
foo
Raghavendra.
--
N. Raghavendra <raghu@mri.ernet.in> | See message headers for contact
Harish-Chandra Research Institute | and OpenPGP details.