Paolo "Nusco" PerrottaWhen I started to learn Ruby, I was awed by the code of experienced rubyists. That code was full of amazing magic tricks that I could barely understand. People called those tricks "metaprogramming".With time, I found that metaprogramming sits right at the core of Ruby. To think in Ruby, I had to understand all those scary tricks! Feeling like a sorcerer's apprentice, I set ou