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From: Mike Gran <spk121@yahoo.com>
To: Richard Shann <richard.shann@virgin.net>,
	"guile-user@gnu.org" <guile-user@gnu.org>
Subject: Re: Creating a top level definition if none so far exists, on the fly.
Date: Thu, 15 Aug 2013 04:18:52 -0700 (PDT)	[thread overview]
Message-ID: <1376565532.8837.YahooMailNeo@web120405.mail.ne1.yahoo.com> (raw)
In-Reply-To: <20130815115759.585bf639@DebianBox.loc>

> From: Richard Shann <richard.shann@virgin.net>
> 
> I have just started using GNU/Denemo under the guile 2.x and the
> following construct no longer works:
> 
> (if (not (defined? 'ToggleFiguredBassMode::Active))
>     (define ToggleFiguredBassMode::Active #f))

I remember Andy once suggested on this list that
 
(define-once ...) 
 
is a possible replacement for the
 
(if (not (defined? ...)
     (define ...))
 
construction
 
-Mike 



  parent reply	other threads:[~2013-08-15 11:18 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-15 10:57 Creating a top level definition if none so far exists, on the fly Richard Shann
2013-08-15 11:10 ` rixed
2013-08-15 11:18 ` Mike Gran [this message]
2013-08-15 12:08   ` Richard Shann
2013-08-15 12:17     ` Mike Gran
2013-08-15 13:37       ` Richard Shann
2013-09-07  9:48         ` Andy Wingo

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