Ruby Koans solutions
NOTE: This is very old, and I didn't know Ruby well at the time.
My solutions to [Ruby Koans from Edgecase](rubykoans.com/).
The Ruby Koans walk you along the path to enlightenment in order to learn Ruby. The goal is to learn the Ruby language, syntax, structure, and some common functions and libraries. We also teach you culture. Testing is not just something we pay lip service to, but something we live. It is essential in your quest to learn and do great things in the language.