overriding new

super.rb

class Parent
  class << self
    alias_method :orig_new, :new

    def new(arg)
      puts "newing parent with #{arg}"
      orig_new
    end
  end

  def parent_method
    puts 'and inherits..'
  end
end

class YourChild < Parent
  def self.new
    super("child args")
  end

  def child_method
    puts 'see?  really the child'
  end
end

puts YourChild.new.child_method
puts YourChild.new.parent_method