This is the code I've done in my talk named “Ruby and Internal DSLs”, at Rails Summit Latin America 2009 (www.railssummit.com.br).
Slides are here: www.slideshare.net/fabiokung/dsls-internas-e-ruby
Copyright © 2009 Fabio Kung.
Live coding session at Rails Summit Latin America 2009, slides at:
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