From: jai-bholeki@gmx.com
To: moasenwood@zoho.eu
Cc: help-gnu-emacs@gnu.org
Subject: Re: Elisp - Determine if variable is nil
Date: Sat, 30 Jan 2021 16:03:11 +0100 [thread overview]
Message-ID: <trinity-a2a0d6fd-1290-4fa3-b0c6-049d4fa64926-1612018991814@3c-app-mailcom-bs16> (raw)
In-Reply-To: <874kiyo4ki.fsf@zoho.eu>
When using pcase, do I need parenthesis around
dfv-break-comments-state?
(pcase dfv-break-comments-state
(pcase (dfv-break-comments-state)
> Sent: Sunday, January 31, 2021 at 2:57 AM
> From: "moasenwood--- via Users list for the GNU Emacs text editor" <help-gnu-emacs@gnu.org>
> To: help-gnu-emacs@gnu.org
> Subject: Re: Elisp - Determine if variable is nil
>
> jai-bholeki wrote:
>
> > How can I check if a variable is nil?
>
> (setq some-var nil)
>
> (unless some-var
> (message "var is nil") )
>
> --
> underground experts united
> http://user.it.uu.se/~embe8573
> https://dataswamp.org/~incal
>
>
>
next prev parent reply other threads:[~2021-01-30 15:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-30 14:16 Elisp - Determine if variable is nil jai-bholeki
2021-01-30 14:57 ` moasenwood--- via Users list for the GNU Emacs text editor
2021-01-30 15:03 ` jai-bholeki [this message]
2021-01-30 15:02 ` Jean Louis
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