GNU logs - #74749, boring messages

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Subject: bug#74749: Constructors created by define-configuration evaluate the fields twice
Resent-From: Tomas Volf <~@wolfsden.cz>
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Resent-Date: Mon, 09 Dec 2024 15:41:02 +0000
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From: Tomas Volf <~@wolfsden.cz>
Date: Mon, 09 Dec 2024 16:40:21 +0100
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Hello,

I discovered that every field in configuration created by
define-configuration is evaluated twice:

=2D-8<---------------cut here---------------start------------->8---
scheme@(guix-user)> ,use (gnu services configuration)
scheme@(guix-user)> (define serialize-string #f)
scheme@(guix-user)> (define-configuration test (s string ""))
scheme@(guix-user)> (test (s (pk "x")))

;;; ("x")

;;; ("x")
=2D-8<---------------cut here---------------end--------------->8---

That probably is not intentional.

Have a nice day,
Tomas volf

=2D-=20
There are only two hard things in Computer Science:
cache invalidation, naming things and off-by-one errors.

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Tomas Volf <~@wolfsden.cz>
Subject: bug#74749: Acknowledgement (Constructors created by
 define-configuration evaluate the fields twice)
Message-ID: <handler.74749.B.173375883014223.ack <at> debbugs.gnu.org>
References: <87y10o7tlm.fsf@HIDDEN>
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Date: Mon, 09 Dec 2024 15:41:02 +0000

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