parse_raw (UUID)

    # File lib/uuidtools.rb, line 195
      def self.parse_raw(raw_string)
        unless raw_string.kind_of? String
          raise ArgumentError,
            "Expected String, got #{raw_string.class.name} instead."
        end
        integer = self.convert_byte_string_to_int(raw_string)

        time_low = (integer >> 96) & 0xFFFFFFFF
        time_mid = (integer >> 80) & 0xFFFF
        time_hi_and_version = (integer >> 64) & 0xFFFF
        clock_seq_hi_and_reserved = (integer >> 56) & 0xFF
        clock_seq_low = (integer >> 48) & 0xFF
        nodes = []
        for i in 0..5
          nodes << ((integer >> (40 - (i * 8))) & 0xFF)
        end
        return self.new(time_low, time_mid, time_hi_and_version,
          clock_seq_hi_and_reserved, clock_seq_low, nodes)
      end