[plt-scheme] HTDP: 14.3.4 Retaining Values

From: Matthias Felleisen (matthias at ccs.neu.edu)
Date: Sat Sep 27 19:43:29 EDT 2008

On Sep 27, 2008, at 7:08 PM, Geoffrey Lane wrote:

> (max (+ 1 (depth (first a-wp)))
>                     (depth (rest a-wp)))

Yes, I made a mistake :-) 


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