return the root of the tree.
| 718 | } |
| 719 | /// return the root of the tree. |
| 720 | Node *root() |
| 721 | { |
| 722 | return tree != NULL ? tree : (tree = new Node); |
| 723 | } |
| 724 | /// create an edge from a tree node to a target tree node, return the target tree node. |
| 725 | Node *edge(Node *node, Char c) |
| 726 | { |
nothing calls this directly
no outgoing calls
no test coverage detected