text: #include <rflib/datastructs/objset.h>
  
  unsigned int i_objset_size_(const struct objset_h *set)
  {
      struct htable_iter it;
      void *elem;
      unsigned int size = 0;
      htable_foreach(&set->ht, &it, elem) {
          ++size;
      }
      return size;
  }
  
  bool i_objset_empty_(const struct objset_h *set)
  {
      struct htable_iter it;
  	return htable_first(&set->ht, &it) == NULL;
  }
  