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