That's one of mine, rewritten using the gross loop operator. I prefer the original version. http://ep.yimg.com/ty/cdn/paulgraham/onlisp.lisp …
Replying to @paulg @inconvergent
Incidentally, if you're learning macros you might find On Lisp useful. The PDF is free online. http://paulgraham.com/onlisp.html
10:47 AM - 23 Feb 2017
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