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From: rixed@happyleptic.org
To: guile-user@gnu.org
Subject: Re: Creating a top level definition if none so far exists, on the fly.
Date: Thu, 15 Aug 2013 13:10:05 +0200	[thread overview]
Message-ID: <20130815111005.GB3335@dell.happyleptic.org> (raw)
In-Reply-To: <20130815115759.585bf639@DebianBox.loc>

> (if (not (defined? 'ToggleFiguredBassMode::Active))
>     (define ToggleFiguredBassMode::Active #f))
> 
> The intention is to have a variable defined at the top level which
> starts out being #f. The need for the construct arose because it
> appears in a self-contained script which cannot expect an
> initialization step to have been performed.
> Is there a straight-forward way to modify this?

(define ToggleFiguredBassMode::Active
  (if (defined? 'ToggleFiguredBassMode::Active)
      ToggleFiguredBassMode::Active
      #f))

Nothing to feer I guess.




  reply	other threads:[~2013-08-15 11:10 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 [this message]
2013-08-15 11:18 ` Mike Gran
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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