From: Emanuel Berg via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>
To: help-gnu-emacs@gnu.org
Cc: emacs-devel@gnu.org
Subject: str-to-int
Date: Sat, 07 Mar 2020 02:12:49 +0100 [thread overview]
Message-ID: <87k13xdl2m.fsf@ebih.ebihd> (raw)
;; better than string-to-number
(defun str-to-int (str)
(if (string= str "0") 0
(let ((res (string-to-number str)))
(if (= res 0) nil (round res)) )))
;; (string-to-number "love and pain / it never stays the same") ; 0
;; ... ???
;;
;; (string-to-number "0") ; 0 ... well, correct! by all means
;; (str-to-int "give me all the storybook told me") ; nil
;; (str-to-int "the power and the glory till thy kingdom come") ; nil
;; (str-to-int "0") ; 0
;; (str-to-int "1337") ; 1337
;; (str-to-int "1.337") ; 1
;; (str-to-int "1.9") ; 2
;; (str-to-int "0.1") ; 0
--
underground experts united
http://user.it.uu.se/~embe8573
https://dataswamp.org/~incal
next reply other threads:[~2020-03-07 1:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-07 1:12 Emanuel Berg via Users list for the GNU Emacs text editor [this message]
2020-04-07 23:04 ` str-to-int Bruno Félix Rezende Ribeiro
2020-04-08 0:08 ` str-to-int Emanuel Berg via Users list for the GNU Emacs text editor
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87k13xdl2m.fsf@ebih.ebihd \
--to=help-gnu-emacs@gnu.org \
--cc=emacs-devel@gnu.org \
--cc=moasenwood@zoho.eu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).