intentionally private
| 442 | |
| 443 | // intentionally private |
| 444 | std::size_t |
| 445 | depth() const noexcept |
| 446 | { |
| 447 | return opt_.max_depth - depth_; |
| 448 | } |
| 449 | |
| 450 | public: |
| 451 | /** Destructor. |
nothing calls this directly
no outgoing calls
no test coverage detected