+val address_of_sv : sv -> Nativeint.t
+(** Returns the address of the SV. Useful for debugging since
+ * Perl also prints out addresses on internal errors.
+ *)
+val address_of_av : av -> Nativeint.t
+(** Returns the address of the AV. Useful for debugging since
+ * Perl also prints out addresses on internal errors.
+ *)
+val address_of_hv : hv -> Nativeint.t
+(** Returns the address of the HV. Useful for debugging since
+ * Perl also prints out addresses on internal errors.
+ *)
+