lib/USPS-intelligent-barcode/CharacterPosition.rb in USPS-intelligent-barcode-0.2.0 vs lib/USPS-intelligent-barcode/CharacterPosition.rb in USPS-intelligent-barcode-0.2.1

@@ -1,12 +1,19 @@
 module Imb
 
+  # Represents the position of one bit in the array of intelligent
+  # barcode "characters".  This class is internal and may change.
+
   class CharacterPosition
 
+    # Create.
+
     def initialize(character_index, bit_number)
       @character_index = character_index
       @bit_number = bit_number
     end
+
+    # Given an array of characters, return the bit for this position.
 
     def extract_bit_from_characters(characters)
       characters[@character_index][@bit_number]
     end