lib/bitmapped/validators/validation_helper.rb in bitmapped-0.1.0 vs lib/bitmapped/validators/validation_helper.rb in bitmapped-0.2.0

@@ -1,13 +1,16 @@
 require 'bitmapped/exceptions'
 
 module Bitmapped
   module Validators
     module ValidationHelper
+
+      ALPHABET = [*'A'..'Z']
+
       class << self
         def parse_color(color)
           color = color.strip
-          if [*'A'..'Z'].include?(color)
+          if ALPHABET.include?(color)
             color
           else
             raise ParsingError
           end
         end
\ No newline at end of file