lua turtle simple sugar

function clear_inventory()
    for i = 1,16 do
        if(turtle.getItemCount(i)>0)then
                turtle.select(i)
                turtle.dropDown()
        end
    end
    turtle.select(1)
end


while(42)do
    if(turtle.detect()==true)then
        turtle.dig()
    end
    clear_inventory()
    turtle.turnLeft()
    sleep(5)
end