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Re: Generality of defvar

From: carlmarcos
Subject: Re: Generality of defvar
Date: Wed, 27 Jul 2022 08:59:19 +0200 (CEST)

Jul 27, 2022, 04:57 by

> On Wed, 27 Jul 2022 at 06:17, Emanuel Berg <> wrote:
>> For practical reasons it can be better to do
>> (defvar var-name)
>> (setq var-name 'var-value)
>> instead because if you do something with that and want to
>> reset it, it's enough to evaluate the second line, whereas if
>> you just have the first line you tend to evaluate that one and
>> if/because the variable is already set at that point then
>> nothing will happen ...
> Yes, but you can press C-M-x on a (defvar var-name 'var-value) and it
> will get re-set to the new value even if the variable is already
> defined.
So I can keep it (defvar var-name t) or (defvar var-name nil)

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