order_id.rb

require "securerandom"

class OrderId
  attr_reader :id

  def initialize(id)
    fail TypeError.new("String required") unless id.is_a?(String)
    @id = id
  end

  def self.generate_new
    new(SecureRandom.uuid)
  end

  def equals(other)
    self.id == (other.id)
  end

  def to_s
    "#{id}"
  end
end