From: Andy Wingo <wingo@pobox.com>
To: Richard Shann <richard.shann@virgin.net>
Cc: mark@markwitmer.com, guile-user@gnu.org
Subject: Re: More Guile 1.8 code failing in 2.x
Date: Wed, 27 Feb 2013 16:13:31 +0100 [thread overview]
Message-ID: <87r4k1u6w4.fsf@pobox.com> (raw)
In-Reply-To: <87zjypu73y.fsf@pobox.com> (Andy Wingo's message of "Wed, 27 Feb 2013 16:08:49 +0100")
On Wed 27 Feb 2013 16:08, Andy Wingo <wingo@pobox.com> writes:
> Here is a Guile 2-compatible version:
>
> (cond-expand
> (guile-2) ; nothing
> (else ; guile < 2.0
> (define-macro (define-once sym exp)
> `(define ,sym (if (module-locally-bound? ',sym) ,sym ,val)))))
Sorry, thinko+typo. Should be:
(cond-expand
(guile-2) ; nothing
(else ; guile < 2.0
(define-macro (define-once sym exp)
`(define ,sym
(if (module-locally-bound? (current-module) ',sym)
,sym
,exp)))))
--
http://wingolog.org/
next prev parent reply other threads:[~2013-02-27 15:13 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-27 10:07 More Guile 1.8 code failing in 2.x Richard Shann
2013-02-27 13:19 ` mark
2013-02-27 14:22 ` Richard Shann
2013-02-27 14:28 ` Ludovic Courtès
2013-02-27 14:48 ` Mike Gran
2013-02-27 17:54 ` Richard Shann
2013-02-27 15:08 ` Andy Wingo
2013-02-27 15:13 ` Andy Wingo [this message]
2013-02-27 17:59 ` Richard Shann
2013-02-27 14:50 ` Stefan Israelsson Tampe
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