| 1 | use clap::Parser; |
| 2 | |
| 3 | #[derive(Parser)] // requires `derive` feature |
| 4 | #[command(author, version, about, long_about = None)] |
| 5 | struct Cli { |
| 6 | #[arg(short = 'f' )] |
| 7 | eff: bool, |
| 8 | |
| 9 | #[arg(short = 'p' , value_name = "PEAR" )] |
| 10 | pea: Option<String>, |
| 11 | |
| 12 | #[arg(last = true)] |
| 13 | slop: Vec<String>, |
| 14 | } |
| 15 | |
| 16 | fn main() { |
| 17 | let args = Cli::parse(); |
| 18 | |
| 19 | // This is what will happen with `myprog -f -p=bob -- sloppy slop slop`... |
| 20 | println!("-f used: {:?}" , args.eff); // -f used: true |
| 21 | println!("-p's value: {:?}" , args.pea); // -p's value: Some("bob") |
| 22 | println!("'slops' values: {:?}" , args.slop); // 'slops' values: Some(["sloppy", "slop", "slop"]) |
| 23 | |
| 24 | // Continued program logic goes here... |
| 25 | } |
| 26 | |