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