From: Marc Tfardy <m-t-o___CUT__IT@web.de>
To: help-gnu-emacs@gnu.org
Subject: Re: Problem with position and find (cl)
Date: Fri, 20 Jun 2008 21:58:25 +0200 [thread overview]
Message-ID: <6c2gf4F3eltftU1@mid.individual.net> (raw)
In-Reply-To: <6c2bb4F3dibi5U1@mid.individual.net>
Marc Tfardy schrieb:
> I try with:
> (member '(2) '((1) (2) (3) (4)))
>
> and this gives a expectet results ((2) (3) (4)), but:
> (find '(2) '((1) (2) (3) (4)))
> or
> (position '(2) '((1) (2) (3) (4)))
>
> returns nil. Why?
But this works:
(position '(2) '((1) (2) (3) (4)) :test (lambda (x y) (eq (car x) (car y))))
Maybe position and find (and maybe some others functions)
can not compare lists directly?
Marc
next prev parent reply other threads:[~2008-06-20 19:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-20 18:30 Problem with position and find (cl) Marc Tfardy
2008-06-20 19:58 ` Marc Tfardy [this message]
2008-06-20 20:14 ` Florian Beck
2008-06-20 21:24 ` Thierry Volpiatto
[not found] ` <mailman.13619.1213996704.18990.help-gnu-emacs@gnu.org>
2008-06-20 23:14 ` Florian Beck
2008-06-21 2:04 ` Barry Margolin
2008-06-21 4:31 ` Florian Beck
2008-06-21 4:57 ` Thierry Volpiatto
2008-06-21 10:07 ` Marc Tfardy
2008-06-21 10:38 ` Marc Tfardy
2008-06-21 12:38 ` Thierry Volpiatto
2008-06-20 21:16 ` Thien-Thi Nguyen
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