Method isSubDir

Marlin/src/sd/SdBaseFile.h:277–277

* \return True if this is a subdirectory else false. */

   * \return True if this is a subdirectory else false.
   */
  bool isSubDir() const { return type_ == FAT_FILE_TYPE_SUBDIR; }

  /**
   * \return True if this is the root directory.