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From: gregor@parc.xerox.com (Gregor Kiczales)
Newsgroups: comp.lang.lisp
Subject: Re: 'once-only' workalike
Message-ID: <GREGOR.91May31103857@tracer-bullet.parc.xerox.com>
Date: 31 May 91 17:38:57 GMT
References: <1991May30.205119.1147@jpl-devvax.jpl.nasa.gov>
Sender: news@parc.xerox.com
Organization: Xerox Palo Alto Research Center
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In-Reply-To: charest@ai-cyclops.jpl.nasa.gov's message of Thu, 30 May 1991 20:51:19 GMT

In article <1991May30.205119.1147@jpl-devvax.jpl.nasa.gov> charest@ai-cyclops.jpl.nasa.gov writes:

   Does anyone have sources available for a work-alike implementation of the
   'once-only' macro provided in Symbolics Common LISP?

There is one of these in the PCL sources.  In the file macros.lisp I believe.