Usando Struct com Ruby

struct.rb

Customer = Struct.new(:name, :address, :zip)

customers = []
customers.push(Customer.new("Joe Smith", "123 Maple, Anytown NC", 12345))
customers.push(Customer.new("Joe Smith", "123 Maple, Anytown NC", 12345))
customers.push(Customer.new("Jane Doe", "456 Elm, Anytown NC", 12345))

customers.each do |customer|
  puts customer.name
  puts customer.address
  puts customer.zip
  puts "---------------------"
end