Thien-Thi Nguyen writes: > () maledetto > () Thu, 20 Jan 2011 23:12:25 +0100 > > aren't there some tests out there? > > What would such a test look like? To the OP: Can you be more specific about what you want? I suggest reading The Little Schemer[1] if you want to really understand the concepts behind the language. That book advanced my thinking hugely. I still refer to it occasionally. Joel Footnotes: [1] http://www.worldcat.org/title/little-schemer/oclc/33166665 -- Joel J. Adamson Servedio Lab University of North Carolina at Chapel Hill FSF Member #8164 http://www.unc.edu/~adamsonj