on array ()
    cnt = paramCount()
    if cnt=0 then return
    arr = []
    arr[param(cnt)] = 0
    repeat with d = cnt-1 down to 1
        newArr = []
        repeat with i = 1 to param(d)
            newArr[i] = arr.duplicate() -- duplicate does a deep copy
        end repeat
        arr = newArr.duplicate()
    end repeat
    return arr
end