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
Date: Sat, 30 Jan 2021 15:57:33 +0100 [thread overview]
Message-ID: <874kiyo4ki.fsf@zoho.eu> (raw)
In-Reply-To: trinity-5ceaa6a3-ed28-44cc-af6d-9df1ef31fc74-1612016184796@3c-app-mailcom-bs16
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 14:57 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 [this message]
2021-01-30 15:03 ` jai-bholeki
2021-01-30 15:02 ` Jean Louis
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