Stdcompat.Uchartype t = Uchar.ttype utf_decode = Uchar.utf_decodeval utf_decode_is_valid : utf_decode -> boolval utf_decode_uchar : utf_decode -> tval utf_decode_length : utf_decode -> intval utf_decode : int -> t -> utf_decodeval utf_decode_invalid : int -> utf_decodeval utf_8_byte_length : t -> intval utf_16_byte_length : t -> intval bom : tval rep : tval min : tval max : tval of_int : int -> tval unsafe_of_int : int -> tval to_int : t -> intval is_char : t -> boolval of_char : char -> tval to_char : t -> charval unsafe_to_char : t -> charval hash : t -> int