From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: [PATCH] services: Make dovecot and cups configuration
	abstractions available
Date: Sat, 26 Nov 2016 19:37:58 +0100
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References: <20161120180747.2e7b4b09@lepiller.eu> <874m2z9ll8.fsf@gnu.org>
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	<20161126084944.GA6045@jocasta.intra>
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In-Reply-To: <20161126084944.GA6045@jocasta.intra> (John Darrington's message
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To: John Darrington <john@darrington.wattle.id.au>
Cc: guix-devel@gnu.org

John Darrington <john@darrington.wattle.id.au> skribis:

> On Thu, Nov 24, 2016 at 07:17:42PM +0100, Julien Lepiller wrote:
>
>
>      +(define (serialize-string field-name val)
>      +  (serialize-field field-name val))
>
> I find it useful to allow such fields to take the value #f and meaning
> that they will be ignored by their respective serialize- procedures.
> For example:
>   (define (serialize-string field-name val)
>    (if val
>      (serialize-field field-name val)))
>
>      +(define (serialize-boolean field-name val)
>      +  (serialize-string field-name (if val "yes" "no")))
>
> Some configs require "true" and "false" instead of "yes" and "no".  So pe=
rhaps
> this can be generalised a little.

Probably, but this patch is just about moving code around.  :-)

Ludo=E2=80=99.