```console $ 02_app_settings_derive --help clap [..] A simple to use, efficient, and full-featured Command Line Argument Parser USAGE: 02_app_settings_derive[EXE] --two --one OPTIONS: --two --one -h, --help Print help information -V, --version Print version information $ 02_app_settings_derive --one -1 --one -3 --two 10 two: "10" one: "-3" ```