- : ?out_lexing : Tiger_parser.token list
- -> ?out_parsing : Tiger_absyn.t
- -> ?is_error_expected_semant : (Tiger_error.t -> bool)
+ : ?out_lexing : Tiger_parser.token list option
+ -> ?out_parsing : Tiger_absyn.t option
+ -> ?is_error_expected_parsing : (Tiger_error.t -> bool) option
+ -> ?is_error_expected_semant : (Tiger_error.t -> bool) option