lib/jan/random.rb in jan-0.0.3 vs lib/jan/random.rb in jan-0.0.4

@@ -1,19 +1,19 @@
 require "jan/parser"
 require "jan/check_digit_calculator"
 
-class Jan
+class Jan < ::String
   module Random
     module_function
 
     Digits = %w(1 2 3 4 5 6 7 8 9 0)
 
     def code(size=13)
       build(size)
     end
 
     def instore_code(size=13)
-      build(size - 2, InstorePrefixes.sample)
+      build(size - 2, InstoreCodePrefixes.sample)
     end
 
     def build(size, code="")
       size.times{ code += Digits.sample }
       Parser.body(code) +  CheckDigitCalculator.calculate(Parser.body(code)).to_s