- : unit = () val f : unit -> 'a = Line 1, characters 11-15: 1 | let g () = f (); 1;; ^^^^ Warning 21: this statement never returns (or has an unsound type.) val g : unit -> int = Exception: Not_found. Raised at file "//toplevel//", line 2, characters 17-26 Called from file "//toplevel//", line 1, characters 11-15 Called from file "toplevel/toploop.ml", line 208, characters 17-27