def to_s
      elements     = bytes.unpack("NnnCCa6")
      node         = elements[-1].unpack('C*')
      elements[-1] = '%02x%02x%02x%02x%02x%02x' % node
      "%08x-%04x-%04x-%02x%02x-%s" % elements
    end
def to_s
      elements     = bytes.unpack("NnnCCa6")
      node         = elements[-1].unpack('C*')
      elements[-1] = '%02x%02x%02x%02x%02x%02x' % node
      "%08x-%04x-%04x-%02x%02x-%s" % elements
    end
Public: Return the hexadecimal UUID string representation. This is the
 standard 8-4-4-4-12 UUID string representation.

 Copied from simple_uuid via lexical_uuid.

 Examples

   uuid.to_s  # => "0004fda3-8c73-5e0f-bae4-e9c86e3684a5"

 Returns a String