Jeremy Evans is definitely not in the wrong part of town. I use his Sequel gem in production and it is perhaps the best piece of software ever written for ruby.

Jeremy Evans is definitely not in the wrong part of town. I use his Sequel gem in production and it is perhaps the best piece of software ever written for ruby. Studying how it is implemented is a textbook example of how to develop complex ruby DSLs really well without getting too deep in the metaprogramming muck.