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bug#56799: (gnu services configuration) usage of *unspecified* is proble
From: |
Maxim Cournoyer |
Subject: |
bug#56799: (gnu services configuration) usage of *unspecified* is problematic |
Date: |
Mon, 01 Aug 2022 08:46:46 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) |
Hi,
Maxime Devos <maximedevos@telenet.be> writes:
> On 01-08-2022 07:08, Maxim Cournoyer wrote:
>> (quote
>>
>> ("/gnu/store/14flr53fr0hs7mzfwn93kmyzrnb3fhjz-dummy-jami-account.gz"))
>> (quote
>> (*unspecified*))
>> (quote
>> (*unspecified*))
>
> These lines look suspicious to me -- should they have done (list
> *unspecified*) instead of '(*unspecified*)?
>
> The former uses the actual unspecified object, the latter uses the
> symbol '*unspecified*' that merely happens to be the name of a
> variable the unspecified object is bound to.
Indeed; '*unspecified ain't the same as *unspecified, and it isn't
magically evaluated after being lowered in a G-exp:
--8<---------------cut here---------------start------------->8---
(map unspecified?
(quote (*unspecified* *unspecified* *unspecified*
*unspecified* *unspecified*)))
$1 = (#f #f #f #f #f)
--8<---------------cut here---------------end--------------->8---
So in essence the idea to simply quote *unspecified* from patch v3 is
flawed.
v1 works though (using a symbol), so unless someone has a better idea
right now I'm thinking that using 'unset instead of *unspecified* may be
the simplest working solution.
Thanks,
Maxim
- bug#56799: (gnu services configuration) usage of *unspecified* is problematic, Maxim Cournoyer, 2022/08/01
- bug#56799: (gnu services configuration) usage of *unspecified* is problematic, Ludovic Courtès, 2022/08/01
- bug#56799: (gnu services configuration) usage of *unspecified* is problematic, Ludovic Courtès, 2022/08/01
- bug#56799: (gnu services configuration) usage of *unspecified* is problematic, Maxim Cournoyer, 2022/08/01
- bug#56799: (gnu services configuration) usage of *unspecified* is problematic, Ludovic Courtès, 2022/08/02
- bug#56799: (gnu services configuration) usage of *unspecified* is problematic, bokr, 2022/08/02
- bug#56799: (gnu services configuration) usage of *unspecified* is problematic, Maxim Cournoyer, 2022/08/02
- bug#56799: (gnu services configuration) usage of *unspecified* is problematic, Ludovic Courtès, 2022/08/04
- bug#56799: (gnu services configuration) usage of *unspecified* is problematic, Ludovic Courtès, 2022/08/07
- bug#56799: (gnu services configuration) usage of *unspecified* is problematic, Attila Lendvai, 2022/08/08
- bug#56799: (gnu services configuration) usage of *unspecified* is problematic, Attila Lendvai, 2022/08/08