Insert a node stlab::forest::iterator insert(const stlab::forest::iterator & position, T x) (1) stlab::forest::iterator insert(stlab::forest::iterator position, stlab::forest::const_child_iterator first, stlab::forest::const_child_iterator last) (2) (1) stlab::forest::iterator insert(const stlab::forest::iterator & position, T x) Single value variant Parameters const stlab::forest::iterator & position T x (2) stlab::forest::iterator insert(stlab::forest::iterator position, stlab::forest::const_child_iterator first, stlab::forest::const_child_iterator last) Multi-node variant. Children will be spliced from their current position into children of position. Parameters stlab::forest::iterator position stlab::forest::const_child_iterator first stlab::forest::const_child_iterator last