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From: Bryce Bardin <bbardin@home.com>
Subject: Re: scripting/extension language for Ada (was : Re: tagged types
   extensions)
Date: 2000/02/06
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Date: 2000-02-06T00:00:00+00:00
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"Samuel T. Harris" wrote:
> 
...
> 
> Taking a convenience lesson from the Rational R1000, when one
> opened a command window (i.e. where one would enter operating
> system commands) it the window initialized with a template
> of a parameter-less Ada procedure with the most common
> packages already withed. One simply enter the bits of
> Ada code to fill in the procedure and away you went.
> To this day I don't know how they compiled/linked/ran
> such things so fast, but it was the fastest turn-around
> I've ever seen. Given the now antiquated hardware Rational
> used, I am still impressed with its performance as compared
> to contemporary compilation/linking systems of today.
> 

I believe the R1000 system used incremental compilation and dynamic 
linking.  Unfortunately, it didn't scale well for large development.