From: Jean-Christophe Helary <brandelune@gmail.com>
To: help-gnu-emacs <help-gnu-emacs@gnu.org>
Subject: Re: using setq to create lists based on other lists...
Date: Mon, 3 Dec 2018 08:44:31 +0900 [thread overview]
Message-ID: <D91CED8B-744E-4C1F-B5AB-9178123EAD6F@gmail.com> (raw)
In-Reply-To: <87va4bu4kf.fsf@robertthorpeconsulting.com>
Robert,
Thank you *very much* for the precise pointers.
> On Dec 3, 2018, at 4:11, Robert Thorpe <rt@robertthorpeconsulting.com> wrote:
>
> However, you're quite right in what you wrote most recently...
It took me a while to sort things out, as the hints kept coming :)
>>> You're using `setq` on vars you haven't declared/defined yet!
>>
>> The Introduction doesn't even mention that...
>
> It doesn't. It mentions setq, let and defvar. But it never says that
> it's the preferred style to define variables with let & defvar first. I
> think it should say that.
>
> I've seen lots of beginners write programs that setq undefined symbols
> and now I know why.
>
>>> Better write this as (setf (nth 3 myDateLastMonth) myDay)
>>
>> No reference to setf in the Introduction, and it's buried under tons of reference in the Reference...
>
> I agree here too. I think setf is important enough that the introduction
> should mention it at least in passing.
Ok, I'll work on that and will propose something. Thank you again.
Jean-Christophe Helary
-----------------------------------------------
http://mac4translators.blogspot.com @brandelune
next prev parent reply other threads:[~2018-12-02 23:44 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-02 10:53 using setq to create lists based on other lists Jean-Christophe Helary
2018-12-02 15:07 ` Stefan Monnier
2018-12-02 15:41 ` Jean-Christophe Helary
2018-12-02 16:05 ` Stefan Monnier
2018-12-02 16:23 ` Jean-Christophe Helary
2018-12-02 17:02 ` Stefan Monnier
2018-12-02 17:21 ` Jean-Christophe Helary
2018-12-02 19:11 ` Robert Thorpe
2018-12-02 23:44 ` Jean-Christophe Helary [this message]
[not found] ` <mailman.5028.1543765273.1284.help-gnu-emacs@gnu.org>
2018-12-03 13:43 ` Rusi
[not found] <mailman.5010.1543748027.1284.help-gnu-emacs@gnu.org>
2018-12-02 11:21 ` Barry Margolin
2018-12-02 11:51 ` Stephen Berman
2018-12-02 12:22 ` Jean-Christophe Helary
2018-12-02 13:08 ` Stephen Berman
2018-12-02 13:28 ` Jean-Christophe Helary
2018-12-02 14:40 ` Michael Heerdegen
2018-12-02 15:34 ` Jean-Christophe Helary
2018-12-02 15:44 ` Michael Heerdegen
2018-12-02 15:57 ` Jean-Christophe Helary
2018-12-02 15:00 ` Stephen Berman
2018-12-02 15:30 ` Jean-Christophe Helary
[not found] ` <mailman.5026.1543764670.1284.help-gnu-emacs@gnu.org>
2018-12-04 9:00 ` Barry Margolin
2018-12-02 12:03 ` Jean-Christophe Helary
[not found] <mailman.5042.1543777897.1284.help-gnu-emacs@gnu.org>
2018-12-04 9:04 ` Barry Margolin
[not found] ` <(message>
[not found] ` <from>
[not found] ` <Barry>
[not found] ` <Margolin>
[not found] ` <on>
[not found] ` <Tue>
[not found] ` <04>
[not found] ` <Dec>
[not found] ` <2018>
[not found] ` <04:04:52>
2018-12-04 13:56 ` Stefan Monnier
2018-12-05 1:07 ` Robert Thorpe
2018-12-05 2:32 ` Drew Adams
2018-12-05 6:45 ` Jean-Christophe Helary
2018-12-05 8:00 ` Marcin Borkowski
2018-12-05 8:11 ` Jean-Christophe Helary
2018-12-05 14:57 ` Drew Adams
[not found] ` <mailman.5218.1544021892.1284.help-gnu-emacs@gnu.org>
2018-12-05 16:59 ` Barry Margolin
[not found] ` <mailman.5186.1543978155.1284.help-gnu-emacs@gnu.org>
2018-12-05 16:50 ` Barry Margolin
[not found] ` <mailman.5145.1543931778.1284.help-gnu-emacs@gnu.org>
2018-12-05 16:47 ` Barry Margolin
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