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From: Emanuel Berg via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: [External] : Re: Which Elisp types are mutable?
Date: Mon, 05 Jul 2021 22:58:59 +0200	[thread overview]
Message-ID: <878s2kcwa4.fsf@zoho.eu> (raw)
In-Reply-To: SA2PR10MB4474C338EC51B09FE2B67C46F31C9@SA2PR10MB4474.namprd10.prod.outlook.com

Drew Adams wrote:

>> Hm. If you change a variable's value... does that count as
>> "mutating the symbol"? If you change the binding (e.g.
>> by entering another scope or by leaving it)?
>
> (Changing a symbol's binding, with `let' etc. is more
> complicated. I mentioned global value.)
>
> If you look at a Lisp symbol as being an object with
> properties, then yes; changing its variable value changes
> the object - its mutable state.

You can change the symbol as a practically employed instance
but not as a concept...

-- 
underground experts united
https://dataswamp.org/~incal




      reply	other threads:[~2021-07-05 20:58 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-03  4:03 Which Elisp types are mutable? Marcin Borkowski
2021-06-03 12:11 ` Philipp
2021-06-05 11:22   ` Marcin Borkowski
2021-06-05 12:58     ` Philipp
2021-06-05 14:25       ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-07-05 18:40         ` Philipp
2021-07-05 20:19           ` Stefan Monnier
2021-07-05 20:44             ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-07-05 20:58               ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-07-05 21:03                 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-05 19:19       ` Marcin Borkowski
2021-06-05 20:17         ` [External] : " Drew Adams
2021-06-05 20:36           ` Dmitry Gutov
2021-06-06  1:57             ` Drew Adams
2021-07-05 18:41         ` Philipp
2021-07-05 18:48           ` Eli Zaretskii
2021-07-05 18:55             ` tomas
2021-07-05 19:26               ` [External] : " Drew Adams
2021-07-05 19:40                 ` tomas
2021-07-05 20:03                   ` Drew Adams
2021-07-05 20:12                     ` tomas
2021-07-05 20:39                       ` Drew Adams
2021-07-05 20:58                         ` Emanuel Berg via Users list for the GNU Emacs text editor [this message]

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