* define a tuple
for
int, double, string...
not
for
object
d:=[]
* assignment
d[
0
] :=
'a string'
* get tuple length, method
1
:
leng:=|d|
* get tuple length, method
2
:
tuple_length(d,leng)
* get length of object tuple
count_obj (ContoursSplit, Number)