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From: Emanuel Berg via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: comic-book-insult
Date: Mon, 09 Sep 2019 19:32:59 +0200	[thread overview]
Message-ID: <86lfuxgyt0.fsf@zoho.eu> (raw)
In-Reply-To: 20190909080001.GE20896@protected.rcdrun.com

Jean Louis wrote:

> Thanks, now I learned how to scramble words
> like this below in Emacs. But I have no idea
> what means (lambda (_ __)

It is an anonymous function (lambda) with two
anonymous arguments (_ and __), they are
denoted with underscores so one can see they
are not used - if they were called element-1
and element-2, the byte-compiler will warn
about unused lexical arguments.

Why not just lambda ()? The truth is out there
in the docstring of `sort'.

> (scramble-string "Hello there, Emacs is very
> cool piece of software")
>
> => "Hlelo theer, Eamcs is vrey cool peice of
> sfotware "

It's time to take scrambling to the next level:

(scramble-string "Hello there, Emacs is very
cool piece of software")

"aye eposrr lvre olsec,ewfico ceti ftomH hseoa
l E"

-- 
underground experts united
http://user.it.uu.se/~embe8573
https://dataswamp.org/~incal




  reply	other threads:[~2019-09-09 17:32 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-08 19:05 comic-book-insult Emanuel Berg via Users list for the GNU Emacs text editor
2019-09-08 20:16 ` comic-book-insult Marcin Borkowski
2019-09-08 22:55   ` comic-book-insult Emanuel Berg via Users list for the GNU Emacs text editor
2019-09-08 22:29 ` comic-book-insult Adam Porter
2019-09-10 23:43   ` comic-book-insult Emanuel Berg via Users list for the GNU Emacs text editor
2019-09-08 23:47 ` comic-book-insult Eric Abrahamsen
2019-09-09  3:56   ` comic-book-insult Emanuel Berg via Users list for the GNU Emacs text editor
2019-09-09  5:09 ` comic-book-insult Yuri Khan
2019-09-09 17:41   ` comic-book-insult Emanuel Berg via Users list for the GNU Emacs text editor
2019-09-09 18:26     ` comic-book-insult Yuri Khan
2019-09-09 18:33       ` comic-book-insult Emanuel Berg via Users list for the GNU Emacs text editor
2019-09-09  8:00 ` comic-book-insult Jean Louis
2019-09-09 17:32   ` Emanuel Berg via Users list for the GNU Emacs text editor [this message]
2019-09-09 18:05     ` comic-book-insult Jean Louis
2019-09-09 18:10       ` comic-book-insult Emanuel Berg via Users list for the GNU Emacs text editor
2019-09-09 18:13       ` comic-book-insult Eli Zaretskii
2019-09-11 12:56         ` Anonymous arguments - comic-book-insult Jean Louis
2019-09-11 15:12           ` Emanuel Berg via Users list for the GNU Emacs text editor
2019-09-17  6:19             ` Jean Louis

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