vendor/clap/examples/tutorial_builder/03_02_option.rs

   1 use clap::{command, Arg};
   2
   3 fn main() {
   4     let matches = command!() // requires `cargo` feature
   5         .arg(Arg::new("name").short('n').long("name"))
   6         .get_matches();
   7
   8     println!("name: {:?}", matches.get_one::<String>("name"));
   9 }