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
--
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http://user.it.uu.se/~embe8573
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reply other threads:[~2020-03-07 1:12 UTC|newest]
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