android13/external/rust/crates/structopt/tests/ui/option_required.rs

22 lines
604 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 structopt::StructOpt;
#[derive(StructOpt, Debug)]
#[structopt(name = "basic")]
struct Opt {
#[structopt(short, required = true)]
n: Option<u32>,
}
fn main() {
let opt = Opt::from_args();
println!("{:?}", opt);
}