gistfile1.rb

class Hash
  def each_recursive(&block)
    self.each do |k, v|
      yield k, v
      v.each_recursive(&block) if v.is_a?(Hash)
    end
  end
  
  def each_key_recursive(&block)
    self.each_recursive { |k, _| yield k }
  end
  
  def to_xml(options = {})
    logger.info "Does not show up in log."
  end
end