open OFC let () = let c = new_chart() in chart_set_title c "My Line Chart 2"; let lg1 = new_line_elem() in let lg2 = new_line_elem() in line_elem_add_ints lg1 [ 8; 9; 7; 4; 3; 5; 6; 2; 1; ]; line_elem_add_ints lg2 [ 3; 5; 6; 2; 1; 8; 9; 7; 4; ]; chart_add_elements c [Line lg1; Line lg2]; print_chart c; ;;