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From: "Ludovic Courtès" <ludo@gnu.org>
To: guile-user@gnu.org
Subject: Re: Unbound variable warning/exception
Date: Sun, 20 Dec 2020 22:36:29 +0100	[thread overview]
Message-ID: <878s9s88iq.fsf@gnu.org> (raw)
In-Reply-To: CA+XASoUjgZG4CsHtnGdw_6NK001f4f=5Q5tHxoejiAKuDzx00A@mail.gmail.com

Hi,

Aleix Conchillo Flaqué <aconchillo@gmail.com> skribis:

> On Fri, Dec 18, 2020 at 5:26 PM Christopher Lam
> <christopher.lck@gmail.com> wrote:
>>
>> Hi guilers, I saw in guix the incredibly useful unbound-variable exception
>> printer written by Ludovic. I've adapted for use in gnucash as
>> https://github.com/Gnucash/gnucash/commit/6f951784 -- there are now in
>> guile 3.0.4 many more unbound-var warnings than in 3.0.2 -- wouldn't it be
>> a useful hint to add to the warning in core guile as well?
>
> Wow, this is great!
>
> This should definitely be added to guile by default.

In Guix, the hint is displayed by an 'unbound-variable exception
handler, not by the 'unbound-variable printer; I think doing it in the
printer could be confusing.

Perhaps what could be done is export an 'unbound-variable handler that
does all this, and have the REPL use it?

Thanks,
Ludo’.




  parent reply	other threads:[~2020-12-20 21:36 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-19  1:25 Unbound variable warning/exception Christopher Lam
2020-12-19  1:46 ` Aleix Conchillo Flaqué
2020-12-19 10:08   ` Massimiliano Gubinelli
2020-12-19 13:07     ` Christopher Lam
2020-12-19 16:30       ` Massimiliano Gubinelli
2020-12-20 21:36   ` Ludovic Courtès [this message]
2020-12-20 23:11     ` Christopher Lam
2020-12-21 10:48       ` Jérémy Korwin-Zmijowski

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