Method frame

example/util/euroc_util.h:35–36

    struct frame
    {
        frame(const std::string &left_img_path, const std::string &right_img_path, const double timestamp)
            : left_img_path_(left_img_path), right_img_path_(right_img_path), timestamp_(timestamp){};

        const std::string left_img_path_;
        const std::string right_img_path_;