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From: Stefan Monnier via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: Closures in Emacs and their usage scenarios.
Date: Fri, 01 Oct 2021 10:46:09 -0400	[thread overview]
Message-ID: <jwvilygrejj.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: 87y27fjal0.fsf@logand.com

>>>> And captured variables that are mutated are also quite rare
[...]
> In Emacs Lisp, closures mutating captured variables might be rare now
> because lexical scoping arrived recently.
[...]
> Many usage scenarios could be seen in Common Lisp and Scheme.
[...]
> There are examples in the Emacs code base already, see thunk-delay, for
> example.

Compared to the existing routine use of closures all over the place,
these remain exceptions hence my characterization of "rare".
This is just as true in Common Lisp and Scheme as in ELisp, even though
they have supported closures for a lot longer.


        Stefan




  parent reply	other threads:[~2021-10-01 14:46 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-27  9:40 Closures in Emacs and their usage scenarios Hongyi Zhao
2021-09-28  2:50 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-28  2:54   ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-28  6:46   ` Hongyi Zhao
2021-09-28  8:30     ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-28  8:54       ` Hongyi Zhao
2021-09-28 10:39         ` tomas
2021-09-28 11:29           ` Hongyi Zhao
2021-09-28 13:31             ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-28 13:50               ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-28 13:57             ` tomas
2021-09-28 14:31               ` Hongyi Zhao
2021-09-28 15:25                 ` tomas
2021-09-29  3:59                 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-29  6:43   ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-28  2:55 ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-09-28  4:11   ` [External] : " Drew Adams
2021-09-28  4:17     ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-28 11:53   ` Arthur Miller
2021-09-28 14:50     ` Hongyi Zhao
2021-09-29  4:04       ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-09-29  6:10         ` Tomas Hlavaty
2021-09-29 12:28           ` Stefan Monnier
2021-09-29 22:11             ` Tomas Hlavaty
2021-09-29 22:25               ` [External] : " Drew Adams
2021-09-30 10:58                 ` Tomas Hlavaty
2021-09-30 14:55                   ` Drew Adams
2021-09-30 15:54                   ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-01  4:35                     ` Hongyi Zhao
2021-09-29 23:06               ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-30  0:59               ` Hongyi Zhao
2021-09-30  3:27                 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-30 11:58                 ` Tomas Hlavaty
2021-09-30 13:27                   ` Hongyi Zhao
2021-09-30 15:29                   ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-01 14:46               ` Stefan Monnier via Users list for the GNU Emacs text editor [this message]
2021-09-29 23:26             ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-01  3:37       ` Arthur Miller
2021-10-08 10:53         ` Hongyi Zhao
2021-10-10 14:16           ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-10 18:25             ` Marcin Borkowski
2021-10-11 23:16               ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-12  5:29                 ` Marcin Borkowski
2021-10-12  5:32                   ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-03  9:07     ` Lisp books (was: Re: Closures in Emacs and their usage scenarios.) Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-03 14:41       ` Lisp books Stefan Monnier via Users list for the GNU Emacs text editor
2021-10-05 10:08         ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-05 12:57           ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-10-05 14:18             ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-06  1:43               ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-10-06  3:20                 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-06  6:44                   ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-06  7:06                 ` tomas
2021-10-06 10:17                   ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-06 12:37                   ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-10-06 12:54                     ` tomas
2021-10-06 20:24                       ` [OFFPTOPIC] ACM digital library (was: Lisp books) Stefan Monnier via Users list for the GNU Emacs text editor
2021-10-06 20:56                         ` tomas
2021-10-07  6:29                           ` Yuri Khan
2021-10-07  9:10                             ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-07 12:42                             ` [OFFPTOPIC] ACM digital library Stefan Monnier
2021-10-12  5:44                         ` [OFFPTOPIC] ACM digital library (was: Lisp books) Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-12 18:11                 ` Lisp books Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-03 15:39       ` [External] : Lisp books (was: Re: Closures in Emacs and their usage scenarios.) Drew Adams
2021-10-05 10:10         ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-05 14:32           ` Drew Adams
2021-10-05 14:51             ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-28  7:11 ` Closures in Emacs and their usage scenarios Eduardo Ochs
2021-09-28  7:23   ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-28  7:33     ` Eduardo Ochs
2021-09-28  8:13   ` Hongyi Zhao

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