Method unregisterAll

include/thundersvm/util/log.h:1540–1547

            protected:
                virtual void unregisterAll(void) ELPP_FINAL {
                    if (!this->empty()) {
                        for (auto&& curr : this->list()) {
                            base::utils::safeDelete(curr);
                        }
                        this->list().clear();
                    }
                }

                virtual void unregister(T_Ptr*& ptr) ELPP_FINAL {
                    if (ptr) {