# File lib/uuidtools.rb, line 303 def nil_uuid? return false if self.time_low != 0 return false if self.time_mid != 0 return false if self.time_hi_and_version != 0 return false if self.clock_seq_hi_and_reserved != 0 return false if self.clock_seq_low != 0 self.nodes.each do |node| return false if node != 0 end return true end