clap2 4.3.9

A simple to use, efficient, and full-featured Command Line Argument Parser
Documentation 
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use clap::{command, Arg, ArgAction};

fn main() {
    let matches = command!() // requires `cargo` feature
        .arg(
            Arg::new("name")
                .short('n')
                .long("name")
                .action(ArgAction::Append),
        )
        .get_matches();

    println!("name: {:?}", matches.get_one::<String>("name"));
}