Add debug functions

include/refcount/refcount.h

@@ -454,6 +454,24 @@ static inline bool refcount_remove_destructor(void *obj, void *key) {
                                               key);
 }
 
+// Debug Functions
+
+uint64_t refcount_debug_context_count_object(const RefcountContext *ctx,
+                                             void *obj, void *target);
+
+/**
+ * Same as #refcount_debug_context_count_object, but only operates on the global
+ * context.
+ * @param obj The root object
+ * @param target The object to look for
+ * @return The number of times the target appeared in the reference tree of the
+ * root
+ */
+static inline uint64_t refcount_debug_count_object(void *obj, void *target) {
+    return refcount_debug_context_count_object(refcount_default_context, obj,
+                                               target);
+}
+
 #ifdef __cplusplus
 }
 #endif