Map_placement_new.cpp 182 Bytes Edit Raw Blame History Permalink 1 2 3 4 5 int data[] = {1,2,3,4,5,6,7,8,9}; Map<RowVectorXi> v(data,4); cout << "The mapped vector v is: " << v << "\n"; new (&v) Map<RowVectorXi>(data+4,5); cout << "Now v is: " << v << "\n";