Method addTraceLine

libminifi/include/utils/BackTrace.h:126–133

* Adds a trace line with an optional function * @param symbol_line symbol line that was produced * @param func function name */

   * @param func function name
   */
  void addTraceLine(const char *symbol_line, const char *func = nullptr) {
    std::stringstream line;
    line << symbol_line;
    if (nullptr != func) {
      line << " @" << func;
    }
    trace_.addLine(line.str());
  }

  /**
   * Adds a trace line in the format "<file_name> @ <symbol_name> + <symbol_offset>", if symbol_name is not nullptr,