clap/tests/derive_ui/subcommand_opt_opt.rs
2022-05-25 13:13:22 -05:00

37 lines
865 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::Parser;
#[derive(Parser, Debug)]
struct MakeCookie {
#[clap(short, value_parser)]
s: String,
#[clap(subcommand)]
cmd: Option<Option<Command>>,
}
#[derive(Parser, Debug)]
enum Command {
/// Pound acorns into flour for cookie dough.
Pound {
#[clap(value_parser)]
acorns: u32,
},
Sparkle {
#[clap(short, value_parser)]
color: String,
},
}
fn main() {
let opt = MakeCookie::parse();
println!("{:?}", opt);
}