make_more_ruby_y_y.rb

  # Replace me.
  def base_subscription
    self.subscriptions.reverse.each do |sub|
      return sub if sub.active and sub.plan.service_type == 'standard'
    end
    return nil
  end
  
  # With me.
  def base_subscription
    self.subscriptions.reverse.find { |sub| sub.active && sub.plan.service_type == 'standard' }
  end