% ocamlc -o foo foo.ml && ./foo
File "foo.ml", line 9, characters 4-25:
Warning 10: this expression should have type unit.
2
1
0
2
1
0
% ocamlopt -o foo foo.ml && ./foo
File "foo.ml", line 9, characters 4-25:
Warning 10: this expression should have type unit.
2
1
0
0
2
1