| 6 | TreeNode *left; |
| 7 | TreeNode *right; |
| 8 | TreeNode() : val(0), left(nullptr), right(nullptr) {} |
| 9 | TreeNode(int x) : val(x), left(nullptr), right(nullptr) {} |
| 10 | TreeNode(int x, TreeNode *left, TreeNode *right) : val(x), left(left), right(right) {} |
| 11 | }; |
nothing calls this directly
no outgoing calls
no test coverage detected