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Re: How do I pass a variable defined in a wrapping let, to a lambda?
From: |
Emanuel Berg |
Subject: |
Re: How do I pass a variable defined in a wrapping let, to a lambda? |
Date: |
Sat, 12 Mar 2022 03:18:52 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
Michael Heerdegen wrote:
> you may want to find out what evaluating lexical-binding in
> the buffer with lexical-binding -> nil gives you.
>
> Second: (AFAIK...) be sure to reeval `steinars-test' with
> lexical-binding -> nil. `steinars-test' defined using the
> lexical binding dialect will return a closure even when
> called in the dynamcially binding dialect.
This is an example of why I think there should be three `let':
* "let" that is static/lexical except for already-defined
dynamic/special variables (i.e., what `let' is already under
static/lexical scope, so won't break any code to change.
well, there wouldn't be any change except static/lexical
would be default everywhere)
* "dlet" that is always dynamic/special
* "slet" that is always static/lexical
Then we could get rid of the ugly and impractical cookie:
;;; -*- lexical-binding: t -*-
The insistence on "dlet" would break code for people w/o the
cookie who expects `let' do be dynamic/special, however it is
only good they are forced to be explicit with that and besides
it is only one `replace-regexp' away anyway ... all the way!
--
underground experts united
https://dataswamp.org/~incal
- Re: How do I pass a variable defined in a wrapping let, to a lambda?, (continued)
Re: How do I pass a variable defined in a wrapping let, to a lambda?, Eric Abrahamsen, 2022/03/11
Re: How do I pass a variable defined in a wrapping let, to a lambda?, Michael Heerdegen, 2022/03/11
- Re: How do I pass a variable defined in a wrapping let, to a lambda?, Eric Abrahamsen, 2022/03/11
- Re: How do I pass a variable defined in a wrapping let, to a lambda?,
Emanuel Berg <=
- Re: How do I pass a variable defined in a wrapping let, to a lambda?, Jean Louis, 2022/03/12
- `let' vs `let*' (was: Re: How do I pass a variable defined in a wrapping let, to a lambda?), Emanuel Berg, 2022/03/14
- Re: `let' vs `let*' (was: Re: How do I pass a variable defined in a wrapping let, to a lambda?), Jean Louis, 2022/03/15
- Re: `let' vs `let*' (was: Re: How do I pass a variable defined in a wrapping let, to a lambda?), Emanuel Berg, 2022/03/15
RE: [External] : `let' vs `let*' (was: Re: How do I pass a variable defined in a wrapping let, to a lambda?), Drew Adams, 2022/03/15
Re: [External] : `let' vs `let*' (was: Re: How do I pass a variable defined in a wrapping let, to a lambda?), tomas, 2022/03/15
Re: [External] : `let' vs `let*', Stefan Monnier, 2022/03/15
Re: [External] : `let' vs `let*' (was: Re: How do I pass a variable defined in a wrapping let, to a lambda?), Emanuel Berg, 2022/03/15
Re: [External] : `let' vs `let*' (was: Re: How do I pass a variable defined in a wrapping let, to a lambda?), Emanuel Berg, 2022/03/15
Re: How do I pass a variable defined in a wrapping let, to a lambda?, Emanuel Berg, 2022/03/14