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To:	Paul Haahr <haahr@mv.us.adobe.com>
cc:	Chris Siebenmann <cks@hawkwind.utcs.toronto.edu>,
	es mailing list <es@hawkwind.utcs.toronto.edu>,
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Subject: Re: a feature I wish rc had 
In-reply-to: Your message of "Mon, 02 Nov 92 17:36:31 EST."
             <9211022236.AA09994@utopia.mv.us.adobe.com> 
Date:	Tue, 3 Nov 1992 20:26:52 -0500
From:	Scott Schwartz <schwartz@groucho.cs.psu.edu>
Message-Id: <92Nov3.202717est.2625@groucho.cs.psu.edu>


| i've always wanted this in a shell, but never found a convenient notation  
| for it.  if someone can suggest one, it's certainly a potential es feature.

One idea is to add list comprehensions to your language.  List
comprehensions are the list version of set builder notation.  They have
the same power as nested for loops, but with a more compact syntax.