28     enum class Options {  in main()  enum
46                     .val = static_cast<int>(Options::OPT_SERVER_ADDR),  in main()
52                     .val = static_cast<int>(Options::OPT_CMD),  in main()
58                     .val = static_cast<int>(Options::OPT_HOST_CONFIG),  in main()
64                     .val = static_cast<int>(Options::OPT_SESSION_ID),  in main()
70                     .val = static_cast<int>(Options::OPT_FILE_DIR),  in main()
84         switch (static_cast<Options>(opt_value)) {  in main()
85             case Options::OPT_SERVER_ADDR:  in main()
88             case Options::OPT_CMD: {  in main()
102             case Options::OPT_HOST_CONFIG:  in main()
105             case Options::OPT_FILE_DIR:  in main()
108             case Options::OPT_SESSION_ID:  in main()