From thomas@biostat.washington.edu  Fri Apr  2 02:03:38 1999
From: thomas@biostat.washington.edu (Thomas Lumley)
Date: Thu, 1 Apr 1999 17:03:38 -0800 (PST)
Subject: .External == .Internal ?
In-Reply-To: <m10Sqv7-0000X9C@verdi.stat.wisc.edu>
Message-ID: <Pine.GSO.4.10.9904011701530.23400-100000@wompom.biostat.washington.edu>

On Thu, 1 Apr 1999, Douglas Bates wrote:

> I mentioned the .External interface in my last message.  When I heard
> the name, it may have been a joke but I didn't realize that.
> 
> Looking through the source code it seems that there are only calls to
> .Internal.  I had thought perhaps that .External was a version of
> .Internal that could be used with dynamically loaded code.
> 
> Am I talking about something that doesn't exist yet and is just in the
> planning stages?  (I've got to start paying closer attention in the
> R-core meetings.)


No, it's there in R0.64, it just hasn't been used for anything yet.  The
code was sent in to R-devel a few months ago and I added it a few weeks
ago.

The idea is exactly to be able to call dynamically loaded routines in a
similar way to .Internal.

	-thomas

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.External == .Internal ?
Thomas Lumley