lib/vindetta/calculator.rb in vindetta-0.25.0 vs lib/vindetta/calculator.rb in vindetta-0.26.0

@@ -1,26 +1,28 @@
+# frozen_string_literal: true
+
 module Vindetta
   class Calculator
     InvalidCharacterError = Class.new(StandardError)
 
     def self.check_digit(vin)
-      transliterator = -> (c) do
+      transliterator = lambda do |c|
         index = "0123456789.ABCDEFGH..JKLMN.P.R..STUVWXYZ".chars.index(c)
 
         raise InvalidCharacterError if index.nil?
 
-         index % 10
+        index % 10
       end
 
-      summer = -> (sum, (a, b)) do
+      summer = lambda do |sum, (a, b)|
         sum + (a * b)
       end
 
       sum = vin
-        .chars
-        .map(&transliterator)
-        .zip([8, 7, 6, 5, 4, 3, 2, 10, 0, 9, 8, 7, 6, 5, 4, 3, 2])
-        .reduce(0, &summer)
+            .chars
+            .map(&transliterator)
+            .zip([8, 7, 6, 5, 4, 3, 2, 10, 0, 9, 8, 7, 6, 5, 4, 3, 2])
+            .reduce(0, &summer)
 
       "0123456789X"[sum % 11]
     end
   end
 end