1```console 2$ 01_quick_derive --help 3A simple to use, efficient, and full-featured Command Line Argument Parser 4 5Usage: 01_quick_derive[EXE] [OPTIONS] [NAME] [COMMAND] 6 7Commands: 8 test does testing things 9 help Print this message or the help of the given subcommand(s) 10 11Arguments: 12 [NAME] Optional name to operate on 13 14Options: 15 -c, --config <FILE> Sets a custom config file 16 -d, --debug... Turn debugging information on 17 -h, --help Print help 18 -V, --version Print version 19 20``` 21 22By default, the program does nothing: 23```console 24$ 01_quick_derive 25Debug mode is off 26 27``` 28 29But you can mix and match the various features 30```console 31$ 01_quick_derive -dd test 32Debug mode is on 33Not printing testing lists... 34 35``` 36