func doRandom(_data)
  if(linked(Result))
    println(rnd, ' = Rnd()')
    event(onRandom, rnd)    
  else
    event(onRandom, 'Rnd()')
  end
end

func Result()
  if(linked(doRandom))
    return(rnd)
  else
    return('Rnd()')
  end
end