Make all of a class's private instance methods public (for debugging only, obviously)

publicize_methods_for_debugging

class Object
  def self.publicize_methods_for_debugging
    list = private_instance_methods(false).map{|name| ":" + name.to_s}.join(", ")
    eval("class #{self.name}; public #{list}; end")
  end
end
# User.publicize_methods_for_debugging