include module type of Stdlib.Obj
type raw_data = nativeintval reachable_words : t -> intval field : t -> int -> tval set_field : t -> int -> t -> unitval double_field : t -> int -> floatval set_double_field : t -> int -> float -> unitval set_raw_field : t -> int -> raw_data -> unitval new_block : int -> int -> tval add_offset : t -> Stdlib.Int32.t -> tval with_tag : int -> t -> tval first_non_constant_constructor_tag : intval last_non_constant_constructor_tag : intval double_array_tag : intval out_of_heap_tag : intval hash_variant : string -> int