[plt-dev] 2htdp/image: Where oh where have my pinholes gone?

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Tue Jan 12 20:16:09 EST 2010

On Tue, Jan 12, 2010 at 3:40 PM, Carl Eastlund <cce at ccs.neu.edu> wrote:
> Why not just have pinholes, and not use them unless you need them?

I could add one more "x-place" and "y-place" options to 2htdp/image,
namely the "pinhole" place that would be tracked like the current

How do you think your waldo example would work with that extension to

> Or explore other options?  I mean... recursion is complex, math is
> complex, should we take them out?  Why did we go straight from "it's
> complex" to "let's remove it"?

Recursion is not complex. Perhaps you should read this book on the
subject; it's a nice introduction to programming where you clean learn
more about recursion: http://www.htdp.org/



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