(make_immutable_array( i_ + j_, i_= range(0,2), j_=range(0,2))) --->  immutable_array on domain : Cuboid of rank 2 and dimensions (3 3)
((tqa::array<int,2>(tqa::make_immutable_array( i_ + j_, i_= range(0,2), j_=range(0,2))))) ---> 
[[0,1,2]
 [1,2,3]
 [2,3,4]]