]> > Maybe I don't understand something but IMHO it's not very usable because > with_file_in type is fixed after the first use. So e.g. input_line and > input_char operation cannot be mixed. You cannot write something like > > let process filename = > let f = with_file_in filename in > begin > print_string (f input_line); > print_char (f input_char); (* syntax error! *) > end Even without the typing problem, this would open and close the file twice, which isn't what you want. The correct usage is: let process filename = with_file_in filename (fun ic -> print_string (input_line ic); print_char (input_char ic)) - Xavier Leroy ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners