{
const_node_iterator l_it = it.get_l_child();
- if (r_cmp_fn(r_key, extract_key(*(*it))))
+ if (r_cmp_fn(r_key, this->extract_key(*(*it))))
it = l_it;
- else if (r_cmp_fn(extract_key(*(*it)), r_key))
+ else if (r_cmp_fn(this->extract_key(*(*it)), r_key))
{
ord += (l_it == end_it)?