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From: Leo Butler <leo.butler@umanitoba.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: Executing part of the code instead of another
Date: Thu, 08 Oct 2020 12:43:48 -0500	[thread overview]
Message-ID: <86r1q87gvf.fsf@x201.butler.org> (raw)
In-Reply-To: <trinity-9a251e7f-fa35-4b0f-88c8-f09d82519819-1602079501915@3c-app-mailcom-bs01> (Christopher Dimech's message of "Wed, 7 Oct 2020 16:05:01 +0200")

Christopher Dimech <dimech@gmx.com> writes:

> Thank you so very much Tomas. Ok. Got It.
>
>
>> Sent: Wednesday, October 07, 2020 at 4:01 PM
>> From: tomas@tuxteam.de
>> To: "Christopher Dimech" <dimech@gmx.com>
>> Cc: moasenwood@zoho.eu, help-gnu-emacs@gnu.org
>> Subject: Re: Executing part of the code instead of another
>>
>> On Wed, Oct 07, 2020 at 03:48:51PM +0200, Christopher Dimech wrote:
>> > It would be better if you explain to me this progn stuff
>> >
>> > Have tried an example like this
>> >
>> > (setq na 8)
>> > (setq nb 13)
>> > ( if (> nb na)
>> >     progn (
>> >       (message "nb > na condition [condition is true]")
>> >       (message "nb > na condition [condition is true]")
>> >     )
>>
>> No. Written in Lisp, it's
>>
>>   (progn
>>     (thing 1)
>>     (thing 2)
>>     ...)
>>

Note that Emacs has its own repl, too.

M-x ielm RET

Take a while to learn how to think in lisp. The constructs you are using
are C-like and very primitive (non-expressive, if you prefer) compared
to what you can do in lisp.

Specifically, it seems like what you are trying to do is usually
accomplished with minor-modes in elisp.

Leo



  reply	other threads:[~2020-10-08 17:43 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-07  0:19 Executing part of the code instead of another Christopher Dimech
2020-10-07  0:50 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-07  0:55   ` Christopher Dimech
2020-10-07  1:05     ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-07  7:01       ` Christopher Dimech
2020-10-07  7:13         ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-07  7:20         ` Robert Pluim
2020-10-07 13:09           ` Christopher Dimech
2020-10-07 17:29             ` Nick Dokos
2020-10-07 18:01               ` Christopher Dimech
2020-10-07  9:38         ` Gregory Heytings via Users list for the GNU Emacs text editor
2020-10-07  9:46           ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-07  9:53             ` Robert Pluim
2020-10-07 11:17               ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-07 11:28                 ` Robert Pluim
2020-10-07 13:28               ` Stefan Monnier
2020-10-07 13:40                 ` Robert Pluim
2020-10-07 13:48             ` Christopher Dimech
2020-10-07 14:01               ` tomas
2020-10-07 14:05                 ` Christopher Dimech
2020-10-08 17:43                   ` Leo Butler [this message]
2020-10-07 15:15         ` Drew Adams
2020-10-18 23:02         ` Douglas Lewan

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