From: Emanuel Berg <incal@dataswamp.org>
To: help-gnu-emacs@gnu.org
Subject: Re: Surprising behaviour of 'append' with strings
Date: Sun, 06 Nov 2022 13:35:18 +0100 [thread overview]
Message-ID: <871qqgdzw9.fsf@dataswamp.org> (raw)
In-Reply-To: 87v8ns5li1.fsf@gmx.net
Stephen Berman wrote:
>> I tested it like this:
>>
>> (append "1") -> "1"
>> (append "1" "2") -> (49 . "2")
>>
>> That behaviour is surprising and it does not fit the bill.
>
> It appears you didn't appreciate the preceding line of the
> doc string: "The result is a list whose elements are the
> elements of all the arguments." So the result contains the
> elements of the string "1", which is just the single
> character ?1, whose value is 49.
Strings are not really lists of characters. Well, conceptually
they are! And `append' seems to agree ...
--
underground experts united
https://dataswamp.org/~incal
next prev parent reply other threads:[~2022-11-06 12:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <6554cc02-2082-3dca-73cc-05fee1c6c4d0.ref@yahoo.de>
2022-11-06 11:05 ` Surprising behaviour of 'append' with strings R. Diez
2022-11-06 12:13 ` Stephen Berman
2022-11-06 12:35 ` Emanuel Berg [this message]
2022-11-06 20:28 ` Michael Heerdegen
2022-11-06 20:57 ` Emanuel Berg
2022-11-06 12:19 ` Emanuel Berg
2022-11-06 12:32 ` Emanuel Berg
2022-11-06 12:37 ` Eli Zaretskii
2022-11-06 12:39 ` Jean Louis
2022-11-06 20:33 ` Michael Heerdegen
2022-11-06 21:45 ` [External] : " Drew Adams
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=871qqgdzw9.fsf@dataswamp.org \
--to=incal@dataswamp.org \
--cc=help-gnu-emacs@gnu.org \
/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).