### - n -

- next_at_same_depth() : tree< T, tree_node_allocator >
- next_sibling() : tree< T, tree_node_allocator >
- number_of_children() : tree< T, tree_node_allocator > , tree< T, tree_node_allocator >::iterator_base , tree< T, tree_node_allocator > , tree< T, tree_node_allocator >::iterator_base , tree< T, tree_node_allocator > , tree< T, tree_node_allocator >::iterator_base
- number_of_siblings() : tree< T, tree_node_allocator >