integer_t fluke_ref_hash(fluke_ref_t *ref);
This operation can be used to query the hash value of the object associated with a reference. Returns the object's hash value or zero if no object is associated with the reference object.
- ref
- The reference to look up.
If any of the following errors is detected by the Fluke implementation, it causes the current thread to take a synchronous exception with one of the following codes. All of these have an implicit FLUKE_INSANITY_ prefix.
- NO_OBJECT
- ref does not point to an active object.
- NOT_REF
- The object pointed to by ref is not a reference object.
- INVALID_OBJECT
- The state of the reference object has become invalid.