| 1 | use clap::Parser; |
|---|---|
| 2 | |
| 3 | #[derive(Parser)] |
| 4 | #[command(author, version, about, long_about = None)] |
| 5 | struct Cli { |
| 6 | #[arg(default_value_t = 2020)] |
| 7 | port: u16, |
| 8 | } |
| 9 | |
| 10 | fn main() { |
| 11 | let cli = Cli::parse(); |
| 12 | |
| 13 | println!("port: {:?}", cli.port); |
| 14 | } |
| 15 |