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Re: Generality of defvar


From: Yuri Khan
Subject: Re: Generality of defvar
Date: Wed, 27 Jul 2022 11:57:09 +0700

On Wed, 27 Jul 2022 at 06:17, Emanuel Berg <incal@dataswamp.org> 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.



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