[plt-scheme] what's HtDP, what it is NOT

From: Matthias Felleisen (matthias at ccs.neu.edu)
Date: Mon Feb 23 21:03:16 EST 2009

On Feb 23, 2009, at 5:25 PM, Eugene Wallingford wrote:

>>  to cope with ANY data type that may come along
>      In the sense Alexander talked about this stuff, the
>      only real patterns are ones that occur repeatedly
>      in (nearly) infinite variety.  Anything specific
>      to a particular data structure is more idiom than
>      pattern.

Alexander also hates, absolutely hates, how computer scientists  
misappropriated his patterns. If you ever have a chance to read his  
original Notes, cover to cover, you will see a lot of similarity with  
HtDP and believe it or not, Robby's contract work. -- Matthias

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