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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] : How to create a higher order function?
Date: Tue, 05 Oct 2021 09:38:29 +0200	[thread overview]
Message-ID: <871r4z3oqy.fsf@zoho.eu> (raw)
In-Reply-To: 875yuc7x1b.fsf@mbork.pl

Marcin Borkowski wrote:

> By an "option" I mean a variable I (the user) can set,
> either via `setq' (or customize) or via `let' (in my code)
> so that Emacs behavior is changed (temporarily in the case
> of `let').

Yes, but are people really using `let' to set options? Well,
okay, maybe they do ...

>> Split up the `let' is what I think, into slet, `dlet'
>> (which already exists), and llet, an alias to `let' (or the
>> other way around, doesn't matter), which would be the same
>> as our `let' under lexical binding. Then remove all ugly
>> preprocessor-style ;;; -*- lexical-binding: t; -*- and
>> everyone can just use whatever they like with the different
>> lets having their (and only their) behavior in the
>> docstrings, and that behavior wouldn't change no matter any
>> outside fiddling around.
>
> You mean you could use the same variable sometimes with
> `slet', sometimes with `dlet'?

Yes, with `dlet' and `let' it would/could be that way - with
"slet" it would _always_ be static/lexical so then it would be
"same variable name" rather ...

> I'm not sure if that is easy or difficult to implement.

I'm sure it wasn't easy but Mr. Monnier already have all three
in his vault :)

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




  reply	other threads:[~2021-10-05  7:38 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-21  4:10 How to create a higher order function? Marcin Borkowski
2021-09-21  4:50 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-21  5:06 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-21 11:27 ` Leo Butler
2021-09-21 11:48   ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-21 20:31     ` mm-uu-extract was: " Leo Butler
2021-09-21 22:11       ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-24  9:02       ` Marcin Borkowski
2021-09-24  9:00   ` Marcin Borkowski
2021-09-21 15:49 ` [External] : " Drew Adams
2021-09-24  9:04   ` Marcin Borkowski
2021-09-24  9:38     ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-24 16:50       ` Drew Adams
2021-09-24 17:11         ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-25  6:36           ` Marcin Borkowski
2021-09-25 23:48             ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-27 10:10               ` Marcin Borkowski
2021-09-28  1:41                 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-28 17:14                   ` Marcin Borkowski
2021-09-29  4:28                     ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-05  7:25                       ` Marcin Borkowski
2021-10-05  7:38                         ` Emanuel Berg via Users list for the GNU Emacs text editor [this message]
2021-10-05  9:53                           ` dlet/let/slet (was: Re: [External] : How to create a higher order function?) Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-22 19:03 ` How to create a higher order function? Stefan Monnier via Users list for the GNU Emacs text editor
2021-09-22 20:53   ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-22 23:50   ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-24  8:57   ` Marcin Borkowski

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