From: Emanuel Berg <moasenwood@zoho.eu>
To: VanL <destroy.c@emacs.zone>
Cc: help-gnu-emacs@gnu.org
Subject: Re: `string-to-number' 0
Date: Wed, 26 Feb 2020 09:44:34 +0100 [thread overview]
Message-ID: <87a755g2kt.fsf@ebih.ebihd> (raw)
In-Reply-To: <m2ftexre7l.fsf@emacs.zone> (VanL's message of "Wed, 26 Feb 2020 18:37:50 +1100")
VanL wrote:
>> (string-to-number "a") ; 0
>> (string-to-number "0") ; 0
>> (string-to-number "1") ; 1
>>
>> From the docstring: "Return 0 if STRING
>> cannot be parsed as an integer or floating
>> point number."
>
> (string-to-number "<f1>") ; 60
I get two big 0s:
(string-to-number "a") ; 0
(string-to-number "<f1>") ; 0
The docstring also says "Parse STRING as
a decimal number and return the number."
... but isn't 0 a decimal number?
But come to think of it, it actually DOES work
for 0!
(string-to-number "0") ; 0
Its just one can't tell that from the bogus
inputs and their outputs, which are 0 as well.
One can just verify the input, I guess.
Meta: I got this message as a mail, and it
seems it didn't show up in <gmane.emacs.help>.
So I suppose I reply to it as a mail as well,
and that defaults to To: header to the previous
poster, and Cc: header to
<help-gnu-emacs@gnu.org>. Keep it uptime. Atem.
--
underground experts united
http://user.it.uu.se/~embe8573
https://dataswamp.org/~incal
next prev parent reply other threads:[~2020-02-26 8:44 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-26 4:29 count matches in string, not region? Emanuel Berg via Users list for the GNU Emacs text editor
2020-02-26 4:48 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-02-26 5:04 ` `string-to-number' 0 (was: Re: count matches in string, not region?) Emanuel Berg via Users list for the GNU Emacs text editor
2020-02-26 6:13 ` string to digits only (was: Re: `string-to-number' 0 (was: Re: count matches in string, not region?)) Emanuel Berg via Users list for the GNU Emacs text editor
2020-02-26 7:37 ` `string-to-number' 0 VanL
2020-02-26 8:44 ` Emanuel Berg [this message]
2020-02-26 6:24 ` count matches in string, not region? Emanuel Berg via Users list for the GNU Emacs text editor
2020-02-26 19:49 ` Tassilo Horn
2020-02-26 21:22 ` Emanuel Berg via Users list for the GNU Emacs text editor
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