def get(i)
      check_range(i)
      w = self.word_index(i)

      (@words[w] & (1 << i % BITS_PER_WORD)) != 0
    end
def get(i)
      check_range(i)
      w = self.word_index(i)

      (@words[w] & (1 << i % BITS_PER_WORD)) != 0
    end
set(i)
 Fetches flag value for given bit.

 @param [Integer] A bit to fetch
 @return [Boolean] true if given bit is set, false otherwise
 @api public