| use clap::Parser; |
| |
| #[derive(Parser)] // requires `derive` feature |
| #[command(version, about, long_about = None)] |
| struct Cli { |
| #[arg(short = 'f')] |
| eff: bool, |
| |
| #[arg(short = 'p', value_name = "PEAR")] |
| pea: Option<String>, |
| |
| #[arg(last = true)] |
| slop: Vec<String>, |
| } |
| |
| fn main() { |
| let args = Cli::parse(); |
| |
| // This is what will happen with `myprog -f -p=bob -- sloppy slop slop`... |
| println!("-f used: {:?}", args.eff); // -f used: true |
| println!("-p's value: {:?}", args.pea); // -p's value: Some("bob") |
| println!("'slops' values: {:?}", args.slop); // 'slops' values: Some(["sloppy", "slop", "slop"]) |
| |
| // Continued program logic goes here... |
| } |