03_02_option_derive/
03_02_option.rs

1use clap::Parser;
2
3#[derive(Parser)]
4#[command(version, about, long_about = None)]
5struct Cli {
6    #[arg(short, long)]
7    name: String,
8}
9
10fn main() {
11    let cli = Cli::parse();
12
13    println!("name: {:?}", cli.name);
14}