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From: Attila Lendvai <attila@lendvai.name>
To: Xinglu Chen <public@yoctocell.xyz>
Cc: "Ludovic Courtès" <ludo@gnu.org>,
	52600@debbugs.gnu.org,
	"Maxim Cournoyer" <maxim.cournoyer@gmail.com>,
	"Andrew Tropin" <andrew@trop.in>
Subject: [bug#52600] [PATCH] doc: Document (gnu services configuration).
Date: Tue, 18 Jan 2022 09:24:13 +0000	[thread overview]
Message-ID: <WKogm98_O511PtLC8RGROQidOqEQRgUmpLt8NXJwHMVldiQdI5Yqr5tK0uGVvQj1y_tHzEcL7xdDl3IGnNdFGpaFXao8zY9fTUXtxYSSuiM=@lendvai.name> (raw)
In-Reply-To: <87a6grcwh7.fsf@yoctocell.xyz>

> I am not familiar with Guile internals, but I think that
> ‘#<unspecified>’ is just a thing that the pretty-printer prints. Maybe
> we could use “proper” Maybe types, like in SRFI-189[1]?
>
> [1]: Using https://srfi.schemers.org/srfi-189/srfi-189.html

this is indeed a good idea here, thanks for drawing my attention to
it! FTR, i have added guile-srfi-189 in this (not yet applied)
patch:

https://issues.guix.gnu.org/53317

i think Maybe and Nothing covers exactly what i need here. my plan is
to get guile-srfi-189 into master, then make sure it can be used in
the Guix codebase, and then prepare a patch for the configuration code
that uses Nothing to represent unspecified values.

--
• attila lendvai
• PGP: 963F 5D5F 45C7 DFCD 0A39
--
Government means never having to say you're sorry…





  parent reply	other threads:[~2022-01-18  9:25 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-18 15:12 [bug#52600] [PATCH] doc: Document (gnu services configuration) Xinglu Chen
2021-12-22 22:14 ` Ludovic Courtès
2021-12-23 10:42   ` Xinglu Chen
     [not found]     ` <IxmgfjO9lp2ladC6D9lHKww0c_r1R0JsnoPJbKD9vg1StRq5QIaZyf3If6Jc16dYnqBdbM0VAjy2PDpZBWxwhHHvgJj_lL8sE4SJ8AsG3po=@lendvai.name>
2021-12-23 12:54       ` Xinglu Chen
2021-12-23 15:21         ` Attila Lendvai
2022-01-18  9:24         ` Attila Lendvai [this message]
2022-01-06 14:20     ` Maxim Cournoyer

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