class Faker::UniqueGenerator

def method_missing(name, *arguments)
  self.class.marked_unique.add(self)
  @max_retries.times do
    result = @generator.public_send(name, *arguments)
    next if previous_results[[name, arguments]].include?(result)
    previous_results[[name, arguments]] << result
    return result
  end
  raise RetryLimitExceeded, "Retry limit exceeded for #{name}"
end