Galera, criei um grupo pra usuários brasileiros do framework Yesod... quem quiser participar:
https://groups.google.com/forum/#!forum/yesod-br

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class Developer
   Languages = [ruby, python, haskell, php, javascript, CoffeeScript, 'a bit of lisp', C] 

  def contact
    @nome = Pedro Henrique
    @fone = 8607-8677
  end
  puts "Undergraduating in Computer Engineering"
end