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Re: Understanding the "let" construct and the setting of variables
From: |
Joost Kremers |
Subject: |
Re: Understanding the "let" construct and the setting of variables |
Date: |
Thu, 17 Dec 2020 09:10:54 +0100 |
User-agent: |
mu4e 1.5.7; emacs 27.1.50 |
On Thu, Dec 17 2020, steve-humphreys@gmx.com wrote:
> Finally I got some useful information (ielm). Fantastic.
>
> ACCEPTED: Running function has created a global variable `tim` (plus all the
> other
> variables you've setq'ed), and since there are no packages or namespaces in
> Elisp, your variable is now available to all of Emacs.
>
> QUESTION: What happens if one does a "setq" on a variable defined in the
> binding part of the
> "let"? Can one do that?
Yes, inside the body of the `let`, you can.
> QUESTION: What goes in the body of a "let"? I would think I can use the
> variables defined within
> the binding section of "let".
Yes.
> QUESTION: Can one update a variable in the body of the "let" (the variable
> being defined within
> the binding section of "let").
Yes, with `setq`.
--
Joost Kremers
Life has its moments
- Re: Understanding the "let" construct and the setting of variables, (continued)
Re: Understanding the "let" construct and the setting of variables, Emanuel Berg, 2020/12/18
Re: Understanding the "let" construct and the setting of variables, Joost Kremers, 2020/12/16
Re: Understanding the "let" construct and the setting of variables,
Joost Kremers <=
Re: Understanding the "let" construct and the setting of variables, steve-humphreys, 2020/12/17
Re: Understanding the "let" construct and the setting of variables, Joost Kremers, 2020/12/17
Re: Understanding the "let" construct and the setting of variables, Emanuel Berg, 2020/12/18
Re: Understanding the "let" construct and the setting of variables, Emanuel Berg, 2020/12/18
Re: Understanding the "let" construct and the setting of variables, Jean Louis, 2020/12/18
Re: Understanding the "let" construct and the setting of variables, tomas, 2020/12/18
Re: Understanding the "let" construct and the setting of variables, Emanuel Berg, 2020/12/18
Re: Understanding the "let" construct and the setting of variables, steve-humphreys, 2020/12/16