From: Stefan Monnier via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: Prefix Argument and optional argument
Date: Thu, 07 Jul 2022 15:04:01 -0400 [thread overview]
Message-ID: <jwv1quwiw8o.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: N6Cxz_J--3-2@tutanota.com
> (defun poke (&optional prefix)
> "TODO"
> (interactive "P")
>
> (cond
> ((equal current-prefix-arg nil) ; no C-u
> (setq poke-name-mode 1))
>
> ((equal current-prefix-arg '(4)) ; C-u
> (setq poke-name-mode 0)
> (arktika-workbench))
>
> ((equal current-prefix-arg 1) ; C-u 1
> (setq poke-name-mode 0)
>
> (let* ( (name (read-from-minibuffer " Name: ")) )
> (arktika-workbench name))) ) ))
The byte-compiler should tell you that the `prefix` argument is unused,
so you can remove it and replace (interactive "P") with (interactive)
and that will work just the same.
What the "P" does above is provide the (interactive) value of `prefix`
by setting it to `current-prefix-arg`.
Stefan
next prev parent reply other threads:[~2022-07-07 19:04 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-05 2:51 Prefix Argument and optional argument carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-05 6:52 ` Bruno Barbier
2022-07-05 11:32 ` Michael Heerdegen
[not found] ` <N6C6ucy----2@missing-mail-id>
2022-07-05 20:26 ` carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-06 11:25 ` Michael Heerdegen
2022-07-06 21:35 ` carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-07 19:04 ` Stefan Monnier via Users list for the GNU Emacs text editor [this message]
[not found] ` <N6Cxz_J--3-2@tutanota.com-N6F1to4----2>
2022-07-06 21:18 ` carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-07 10:56 ` Michael Heerdegen
2022-07-07 11:51 ` Emanuel Berg
2022-07-07 12:02 ` Emanuel Berg
2022-07-07 12:15 ` Michael Heerdegen
2022-07-07 12:38 ` Christopher Dimech
2022-07-07 12:53 ` Michael Heerdegen
2022-07-07 13:15 ` Christopher Dimech
2022-07-07 13:45 ` Michael Heerdegen
2022-07-07 14:03 ` Christopher Dimech
2022-07-07 14:35 ` Michael Heerdegen
2022-07-07 15:20 ` Emanuel Berg
2022-07-07 15:31 ` Michael Heerdegen
2022-07-07 15:50 ` Emanuel Berg
2022-07-07 17:03 ` docstrings (was: Re: Prefix Argument and optional argument) Emanuel Berg
2022-07-07 17:06 ` docstrings (was: " Christopher Dimech
2022-07-07 17:48 ` Christopher Dimech
2022-07-07 19:20 ` Emanuel Berg
2022-07-07 19:42 ` enforce/automate docstring correctnes (was: Re: docstrings) Emanuel Berg
2022-07-07 14:58 ` Prefix Argument and optional argument Stefan Monnier via Users list for the GNU Emacs text editor
2022-07-07 15:12 ` Emanuel Berg
2022-07-07 19:19 ` Christopher Dimech
2022-07-07 19:38 ` Christopher Dimech
2022-07-07 14:08 ` Jean Louis
2022-07-07 15:41 ` Christopher Dimech
2022-07-07 13:04 ` Yuri Khan
2022-07-07 13:38 ` Michael Heerdegen
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