```console $ 03_02_option --help A simple to use, efficient, and full-featured Command Line Argument Parser Usage: 03_02_option[EXE] [OPTIONS] Options: -n, --name -h, --help Print help information -V, --version Print version information $ 03_02_option name: None $ 03_02_option --name bob name: Some("bob") $ 03_02_option --name=bob name: Some("bob") $ 03_02_option -n bob name: Some("bob") $ 03_02_option -n=bob name: Some("bob") $ 03_02_option -nbob name: Some("bob") ```