F.Builtinval hash_fold_nativeint : nativeint folderval hash_fold_int64 : int64 folderval hash_fold_int32 : int32 folderval hash_fold_char : char folderval hash_fold_int : int folderval hash_fold_bool : bool folderval hash_fold_string : string folderval hash_fold_float : float folderval hash_fold_unit : unit folderval hash_nativeint : nativeint -> hash_valueval hash_int64 : int64 -> hash_valueval hash_int32 : int32 -> hash_valueval hash_char : char -> hash_valueval hash_int : int -> hash_valueval hash_bool : bool -> hash_valueval hash_string : string -> hash_valueval hash_float : float -> hash_valueval hash_unit : unit -> hash_value