[rustc.git] / vendor / clap / examples / tutorial_builder / 03_01_flag_bool.rs

// Note: this requires the `cargo` feature

use clap::{command, Arg, ArgAction};

fn main() {
    let matches = command!()
        .arg(
            Arg::new("verbose")
                .short('v')
                .long("verbose")
                .action(ArgAction::SetTrue),
        )
        .get_matches();

    println!(
        "verbose: {:?}",
        *matches
            .get_one::<bool>("verbose")
            .expect("defaulted by clap")
    );
}
Commit	Line	Data
923072b8 FG	1	// Note: this requires the `cargo` feature
	2
	3	use clap::{command, Arg, ArgAction};
04454e1e FG	4
04454e1e FG	5	fn main() {
923072b8 FG	6	let matches = command!()
	7	.arg(
	8	Arg::new("verbose")
	9	.short('v')
	10	.long("verbose")
	11	.action(ArgAction::SetTrue),
	12	)
	13	.get_matches();
04454e1e	14
923072b8 FG	15	println!(
	16	"verbose: {:?}",
	17	*matches
	18	.get_one::<bool>("verbose")
	19	.expect("defaulted by clap")
	20	);
04454e1e	21	}