From: Andy Wingo <wingo@pobox.com>
To: bug-guile@gnu.org
Subject: Re: Errors using `reload' command
Date: Wed, 09 Feb 2011 09:20:23 +0100 [thread overview]
Message-ID: <m3y65pei0o.fsf@unquote.localdomain> (raw)
In-Reply-To: <m362suf80m.fsf@unquote.localdomain> (Andy Wingo's message of "Tue, 08 Feb 2011 23:58:49 +0100")
On Tue 08 Feb 2011 23:58, Andy Wingo <wingo@pobox.com> writes:
> On Thu 03 Feb 2011 20:18, Mark Harig <idirectscm@aim.com> writes:
>
>> scheme@(guile-user)> ,re (ice-9 readline)
>
> Actually now this causes an infinite loop. Doh. We need defvar,
> somehow...
What do people think about this:
(define-syntax define-once
(syntax-rules ()
((_ sym val)
(define sym (if (defined? 'sym) sym val)))))
Should work, no? I added this to boot-9 locally and used it in readline
and it appears to work fine.
Andy
--
http://wingolog.org/
next prev parent reply other threads:[~2011-02-09 8:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-03 19:18 Errors using `reload' command Mark Harig
2011-02-08 22:48 ` Andy Wingo
2011-02-08 22:58 ` Andy Wingo
2011-02-09 8:20 ` Andy Wingo [this message]
2011-02-09 9:51 ` Ludovic Courtès
2011-02-09 19:59 ` Andy Wingo
2011-02-09 20:49 ` Ludovic Courtès
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