demo/
demo.rs

1use clap::Parser;
2
3/// Simple program to greet a person
4#[derive(Parser, Debug)]
5#[command(version, about, long_about = None)]
6struct Args {
7    /// Name of the person to greet
8    #[arg(short, long)]
9    name: String,
10
11    /// Number of times to greet
12    #[arg(short, long, default_value_t = 1)]
13    count: u8,
14}
15
16fn main() {
17    let args = Args::parse();
18
19    for _ in 0..args.count {
20        println!("Hello {}!", args.name);
21    }
22}