02_apps/02_apps.rs
use clap::{arg, Command};
fn main() {
let matches = Command::new("MyApp")
.version("1.0")
.about("Does awesome things")
.arg(arg!(--two <VALUE>).required(true))
.arg(arg!(--one <VALUE>).required(true))
.get_matches();
println!(
"two: {:?}",
matches.get_one::<String>("two").expect("required")
);
println!(
"one: {:?}",
matches.get_one::<String>("one").expect("required")
);
}