clap/examples/tutorial_derive/03_02_option.rs
2022-05-20 20:02:23 -05:00

14 lines
261 B
Rust

use clap::Parser;
#[derive(Parser)]
#[clap(author, version, about, long_about = None)]
struct Cli {
#[clap(short, long, value_parser)]
name: Option<String>,
}
fn main() {
let cli = Cli::parse();
println!("name: {:?}", cli.name.as_deref());
}