clap/examples/19_auto_authors.rs

use clap::{crate_authors, App};

fn main() {
    App::new("myapp")
        .about("does awesome things")
        // use crate_authors! to pull the author(s) names from the Cargo.toml
        .author(crate_authors!())
        .get_matches();

    // running this app with -h will display whatever author(s) are in your
    // Cargo.toml
}