dk.rb in valvat-1.1.0

- old
+ new

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 class Valvat
   module Checksum
     class DK < Base
       check_digit_length 0
 
@@ -13,6 +15,6 @@
       def given_check_digit
         0
       end
     end
   end
-end
\ No newline at end of file
+end