[plt-scheme] Is there a set data-type?

From: Todd O'Bryan (toddobryan at gmail.com)
Date: Fri Feb 5 09:38:56 EST 2010

On Fri, Feb 5, 2010 at 9:12 AM, Matthias Felleisen <matthias at ccs.neu.edu> wrote:
> Just a tease: how would you use hashtable to represent infinite sets?

Well, first I'd add the first element to the hashtable, then I'd recurse. :-)


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