clap/clap_derive/tests/ui/option_required.rs
2020-01-18 17:40:07 +05:30

21 lines
575 B
Rust

// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use clap::Clap;
#[derive(Clap, Debug)]
#[clap(name = "basic")]
struct Opt {
#[clap(short, required = true)]
n: Option<u32>,
}
fn main() {
let opt = Opt::parse();
println!("{:?}", opt);
}