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From: Zelphir Kaltstahl <zelphirkaltstahl@posteo.de>
To: Maxime Devos <maximedevos@telenet.be>
Cc: Guile User <guile-user@gnu.org>
Subject: Re: #:printer filed in language specification.
Date: Sun, 19 Sep 2021 12:11:49 +0000	[thread overview]
Message-ID: <b819528c-158c-c2ff-8519-8e2bf1b80737@posteo.de> (raw)
In-Reply-To: <ea4a4eac9d2697b09dde17790e8144e4165046ec.camel@telenet.be>

Hi Maxim!

Do you know of any simple example anywhere for applicable structs? I might have
another use for them.

Regards,
Zelphir

On 9/18/21 4:47 PM, Maxime Devos wrote:
> Justin Veilleux schreef op vr 17-09-2021 om 18:50 [-0400]:
>> It works relatively well. However, I also wanted it to print a human 
>> readable version of the procedures created. (It is hard to tell whether 
>> #<procedure 1e39a38 (s)> is a correct church encoding of the number 3) 
>> With a lot of fiddling, I managed to write a function that turns a 
>> procedure into an S-expression.
> The #:printer is only used by things like "guild compile -o ..." I think.
>
> One option is to create ‘applicable structs’ (unfortunately they aren't
> documented), setting the procedure to the actual procedure, and the record
> printer (set-record-type-printer!) to something printing the S-exp of the
> applicable struct.
>
> Greetings,
> Maxime

-- 
repositories: https://notabug.org/ZelphirKaltstahl




  parent reply	other threads:[~2021-09-19 12:11 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-17 22:50 #:printer filed in language specification Justin Veilleux
2021-09-18 14:47 ` Maxime Devos
2021-09-18 15:24   ` Justin Veilleux
2021-09-19 12:11   ` Zelphir Kaltstahl [this message]
2021-09-19 12:24     ` Maxime Devos
2021-09-20  8:04       ` Zelphir Kaltstahl

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