From: brendan.halpin@ul.ie (Brendan Halpin)
To: help-gnu-emacs@gnu.org
Subject: Re: How to count the number of occurrences of a character in a string?
Date: Tue, 13 Oct 2015 21:46:26 +0100 [thread overview]
Message-ID: <87wpuqxzrx.fsf@ul.ie> (raw)
In-Reply-To: mailman.267.1444767491.7904.help-gnu-emacs@gnu.org
On Tue, Oct 13 2015, Eli Zaretskii wrote:
> Also, did you actually try 'mapc', per my second suggestion?
Why not mapcar?
(defun test (str char)
(apply '+ (mapcar (lambda (x) (if (= x char) 1 0))
str)))
B
--
Brendan Halpin, Head, Department of Sociology, University of Limerick, Ireland
Tel: w +353-61-213147 f +353-61-202569 h +353-61-338562; Room F1-002 x 3147
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next prev parent reply other threads:[~2015-10-13 20:46 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-12 19:45 How to count the number of occurrences of a character in a string? Marcin Borkowski
2015-10-12 21:43 ` Kaushal Modi
2015-10-12 23:27 ` Nick Dokos
2015-10-13 1:18 ` Stefan Monnier
2015-10-13 16:06 ` Kaushal Modi
2015-10-13 16:31 ` Kaushal Modi
2015-10-13 16:48 ` Eli Zaretskii
2015-10-13 17:41 ` Eli Zaretskii
2015-10-13 17:43 ` Kaushal Modi
2015-10-13 19:07 ` Eli Zaretskii
2015-10-13 19:56 ` Kaushal Modi
2015-10-13 20:17 ` Eli Zaretskii
2015-10-13 20:41 ` Kaushal Modi
[not found] ` <mailman.267.1444767491.7904.help-gnu-emacs@gnu.org>
2015-10-13 20:46 ` Brendan Halpin [this message]
2015-10-13 21:07 ` Kaushal Modi
[not found] ` <mailman.273.1444770543.7904.help-gnu-emacs@gnu.org>
2015-10-13 22:44 ` Joost Kremers
2015-10-14 10:04 ` Oleh Krehel
2015-10-14 17:06 ` Eli Zaretskii
2015-10-13 20:43 ` Michael Heerdegen
2015-10-13 20:59 ` Charles Curley
2015-10-14 18:19 ` Noam Postavsky
2015-10-14 20:00 ` Kaushal Modi
2015-10-13 22:00 ` Emanuel Berg
[not found] <mailman.164.1444679125.7904.help-gnu-emacs@gnu.org>
2015-10-12 23:35 ` Joost Kremers
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