From: Yuri Khan <yuri.v.khan@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: Generality of defvar
Date: Wed, 27 Jul 2022 11:57:09 +0700 [thread overview]
Message-ID: <CAP_d_8XPm0xyYZ4Yx9SY1Ae724CwFhbz+6iN9wY6rvkuz7O3SQ@mail.gmail.com> (raw)
In-Reply-To: <874jz3sbvm.fsf@dataswamp.org>
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.
next prev parent reply other threads:[~2022-07-27 4:57 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-26 20:35 Generality of defvar carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-26 23:01 ` Philip Kaludercic
[not found] ` <87r127h40s.fsf@posteo.net-N7wjq17--3-2>
2022-07-26 23:10 ` carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-27 7:29 ` Thibaut Verron
[not found] ` <CAFsi02SEVCEjGNoQ6vPZvMw7d5F39JZAAPCR5VOUnzQDUERkQA@mail.gmail.com-N7yZ2U2----2>
2022-07-27 12:18 ` carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-27 12:34 ` Emanuel Berg
2022-07-27 12:52 ` carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-27 13:21 ` Thibaut Verron
2022-07-27 13:24 ` carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-27 13:47 ` Thibaut Verron
2022-07-27 16:29 ` Christopher Dimech
2022-07-27 16:39 ` Thibaut Verron
2022-07-28 6:42 ` Christopher Dimech
2022-07-28 7:06 ` Thibaut Verron
2022-07-28 7:34 ` Christopher Dimech
2022-07-28 9:37 ` thibaut.verron
2022-07-28 13:57 ` Christopher Dimech
2022-07-26 23:16 ` Emanuel Berg
2022-07-26 23:23 ` Emanuel Berg
2022-07-26 23:36 ` carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-27 4:57 ` Yuri Khan [this message]
2022-07-27 6:59 ` carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-29 15:56 ` Emanuel Berg
2022-07-29 16:25 ` [External] : " Drew Adams
2022-07-30 3:56 ` Emanuel Berg
2022-07-30 19:36 ` Drew Adams
2022-08-01 3:24 ` Emanuel Berg
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