# File lib/merb-core/dispatch/session.rb, line 76
    def rand_uuid
      values = [
        rand(0x0010000),
        rand(0x0010000),
        rand(0x0010000),
        rand(0x0010000),
        rand(0x0010000),
        rand(0x1000000),
        rand(0x1000000),
      ]
      "%04x%04x%04x%04x%04x%06x%06x" % values
    end