Add a method to a Struct

003_Struct.rb

members = %w[NAME ADDRESS]
members.map!(&:downcase)
members.map!(&:to_sym)

Customer = Struct.new(*members) do
  def print
    puts self.to_a.join(",")
  end
end
 
customers = []
customers << Customer.new("Joe Biden", "Left of Center")
customers << Customer.new("Barak Obama", "Left of Joe Biden")
customers.each(&:print)