Method reset

src/backend/common/unique_handle.hpp:57–62

\brief Deletes the handle if created.

    /// \brief Deletes the handle if created.
    void reset() noexcept {
        if (handle_) {
            ResourceHandler<T>::destroyHandle(handle_);
            handle_ = 0;
        }
    }

    unique_handle(const unique_handle &other) noexcept      = delete;
    unique_handle &operator=(unique_handle &other) noexcept = delete;