clap/examples/22_stop_parsing_with_--.rs

use clap::{App, Arg};

/// myprog -f -p=bob -- sloppy slop slop
fn main() {
    let matches = App::new("myprog")
        .arg(Arg::new("eff").short('f'))
        .arg(Arg::new("pea").short('p').takes_value(true))
        .arg(Arg::new("slop").takes_value(true).multiple(true).last(true))
        .get_matches();

    println!("-f used: {:?}", matches.is_present("eff"));
    println!("-p's value: {:?}", matches.value_of("pea"));
    println!(
        "'slops' values: {:?}",
        matches
            .values_of("slop")
            .map(|vals| vals.collect::<Vec<_>>())
    );

    // Continued program logic goes here...
}