clap/examples/tutorial_builder/02_app_settings.rs
2022-05-24 14:53:08 -05:00

28 lines
689 B
Rust

// Note: this requires the `cargo` feature
use clap::{arg, command, AppSettings};
fn main() {
let matches = command!()
.args_override_self(true)
.global_setting(AppSettings::DeriveDisplayOrder)
.allow_negative_numbers(true)
.arg(arg!(--two <VALUE>))
.arg(arg!(--one <VALUE>))
.get_matches();
println!(
"two: {:?}",
matches
.get_one::<String>("two")
.expect("matches definition")
.expect("required")
);
println!(
"one: {:?}",
matches
.get_one::<String>("one")
.expect("matches definition")
.expect("required")
);
}