#define memcached_has_error(__object) ((__object)->error_messages)
+#define memcached_has_replicas(__object) ((__object)->root->number_of_replicas)
+
#define memcached_set_purging(__object, __value) ((__object)->state.is_purging= (__value))
#define memcached_set_processing_input(__object, __value) ((__object)->state.is_processing_input= (__value))
#define memcached_set_initialized(__object, __value) ((__object)->options.is_initialized(= (__value))