From: tomas@tuxteam.de
To: Andreas Roehler <andreas.roehler@online.de>
Cc: help-gnu-emacs@gnu.org
Subject: Re: until-found
Date: Thu, 10 Dec 2009 14:58:03 +0100 [thread overview]
Message-ID: <20091210135803.GA8534@tomas> (raw)
In-Reply-To: <4B20EE79.607@online.de>
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On Thu, Dec 10, 2009 at 01:50:01PM +0100, Andreas Roehler wrote:
>
> Hi,
>
> given a list or a list of lists:
> list shall be returned, if it contains a certain member.
>
> I'm pretty sure a general form exists, but ignore it.
[...]
> (defun until-found (search-string liste)
> (let ((liste liste) element)
> (while liste
> (if (member search-string (car liste))
> (setq element (car liste) liste nil))
> (setq liste (cdr liste)))
> element))
>
Have a look at assoc -- it might be what you are looking for.
If you need more flexibility, cl's assoc* (where you can specify, among
other things, the comparison function) might fit your bill.
Regards
- -- tomás
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next prev parent reply other threads:[~2009-12-10 13:58 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-10 12:50 until-found Andreas Roehler
2009-12-10 13:58 ` tomas [this message]
2009-12-11 10:33 ` until-found Andreas Röhler
[not found] <mailman.12661.1260449426.2239.help-gnu-emacs@gnu.org>
2009-12-11 16:10 ` until-found Helmut Eller
2009-12-11 17:35 ` until-found Andreas Röhler
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