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From: Nikolaj Schumacher <me@nschum.de>
To: Ted Zlatanov <tzz@lifelogs.com>
Cc: help-gnu-emacs@gnu.org
Subject: Re: case-insensitive string<
Date: Fri, 17 Apr 2009 23:13:54 +0200	[thread overview]
Message-ID: <m2ljpzugod.fsf@nschum.de> (raw)
In-Reply-To: <86zlefdxk4.fsf@lifelogs.com> (Ted Zlatanov's message of "Fri, 17 Apr 2009 12:01:15 -0500")

Ted Zlatanov <tzz@lifelogs.com> wrote:

> Perhaps you can use `sort' with a predicate that uses `compare-strings'?
> The latter function has a ignore-case parameter, and is implemented in C
> so should be quite fast.

Thanks.  `company-strings' is indeed fast.  Unfortunately the return
value is odd.  It returns a positiv/negative number if different, but t
(instead of 0) when they are equal.  That means some work to turn it
into a compatible predicate...

(byte-compile
 (lambda (a b)
   (let ((v (compare-strings a nil nil b nil nil t)))
     (or (eq v t) (< v 0)))))

All this fuss eventually makes it slower... :(

regards,
Nikolaj Schumacher




  reply	other threads:[~2009-04-17 21:13 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <mailman.5527.1239975614.31690.help-gnu-emacs@gnu.org>
2009-04-17 13:58 ` case-insensitive string< harven
2009-04-17 15:07   ` thierry.volpiatto
2009-04-17 21:04     ` Nikolaj Schumacher
2009-04-17 21:17       ` thierry.volpiatto
2009-04-17 17:01 ` Ted Zlatanov
2009-04-17 21:13   ` Nikolaj Schumacher [this message]
     [not found]   ` <mailman.5553.1240002838.31690.help-gnu-emacs@gnu.org>
2009-04-20 18:37     ` Ted Zlatanov
2009-04-17 13:40 Nikolaj Schumacher

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