| 1 | use clap::Parser; |
|---|---|
| 2 | |
| 3 | #[derive(Parser)] |
| 4 | #[command(author, version, about, long_about = None)] |
| 5 | struct Cli { |
| 6 | /// Network port to use |
| 7 | #[arg(value_parser = clap::value_parser!(u16).range(1..))] |
| 8 | port: u16, |
| 9 | } |
| 10 | |
| 11 | fn main() { |
| 12 | let cli = Cli::parse(); |
| 13 | |
| 14 | println!("PORT = {}", cli.port); |
| 15 | } |
| 16 |