Var Args 9

gistfile1.rb

class User < ActiveRecord::Base
  # A user is only active if it has any subscriptions that are still active
  def active?
    subscriptions.active.any?
  end
end

class AdminUser < User
  # Admin users do not have subscriptions and are always active
  def active?(*)
    true
  end
end

# Lookup User and see if they are active
User.find(1).active? 
=> true

# Lookup Admin User and see if they are active
User.find(42).active? 
=> true