From: Jean-Christophe Helary <brandelune@gmail.com>
To: help-gnu-emacs <help-gnu-emacs@gnu.org>
Subject: Re: local binding, too local...
Date: Sun, 9 Dec 2018 18:55:05 +0900 [thread overview]
Message-ID: <F7765B16-D11F-4552-88AD-1CD2B8926D6E@gmail.com> (raw)
In-Reply-To: <20181209084537.GA16339@tuxteam.de>
> On Dec 9, 2018, at 17:45, <tomas@tuxteam.de> <tomas@tuxteam.de> wrote:
>
> On Sun, Dec 09, 2018 at 11:41:19AM +0900, Jean-Christophe Helary wrote:
>>
>>
>>> On Dec 9, 2018, at 6:59, <tomas@tuxteam.de> <tomas@tuxteam.de> wrote:
>>>
>>> On Sat, Dec 08, 2018 at 11:45:32PM +0900, Jean-Christophe Helary wrote:
>>>> Thank you Tomas.
>>>>
>>>> So can you say that "binding" is like "creating" a variable ?
>>>
>>> No (at least not in this Lisp context). It's more like associating
>>> a name with a variable.
>>
>> But there must be something that's created that did not exist before that "binding" right ?
>
> The association :-)
Ok, that's what I needed to know :)
> Technically, there's some hash table in the background, where
> the implementation can look up symbols and what's been "hung"
> on them (besides a "variable binding" there are some other
> possibilities,,,)
Thank you.
>
>>> "Assigning 7 to x" wouldn't make much sense in maths, because it would
>>> amount to assigning 7 to 5.
>>
>> Ok so the comparison with maths doesn't work, right ?
>
> I'd say that the "maths" view was an inspiration, so it always helps
> to keep it around for comparison. But it's important to remember that
> there are differences.
>
> That doesn't mean that maths can't model assignment, though.
That will be for another time :)
Jean-Christophe Helary
-----------------------------------------------
http://mac4translators.blogspot.com @brandelune
next prev parent reply other threads:[~2018-12-09 9:55 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-08 2:18 local binding, too local Jean-Christophe Helary
2018-12-08 6:07 ` Drew Adams
2018-12-08 7:39 ` Jean-Christophe Helary
2018-12-08 6:48 ` Yuri Khan
2018-12-08 7:37 ` Jean-Christophe Helary
2018-12-08 8:02 ` tomas
2018-12-08 14:45 ` Jean-Christophe Helary
2018-12-08 21:59 ` tomas
2018-12-09 2:41 ` Jean-Christophe Helary
2018-12-09 8:45 ` tomas
2018-12-09 9:55 ` Jean-Christophe Helary [this message]
[not found] ` <mailman.5363.1544251700.1284.help-gnu-emacs@gnu.org>
2018-12-08 9:33 ` Rusi
2018-12-08 16:41 ` Stefan Monnier
[not found] ` <mailman.5389.1544287285.1284.help-gnu-emacs@gnu.org>
2018-12-08 19:13 ` Barry Fishman
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