clap/examples/tutorial_derive/04_02_parse.rs
2022-05-20 20:02:23 -05:00

15 lines
291 B
Rust

use clap::Parser;
#[derive(Parser)]
#[clap(author, version, about, long_about = None)]
struct Cli {
/// Network port to use
#[clap(value_parser = clap::value_parser!(u16).range(1..))]
port: u16,
}
fn main() {
let cli = Cli::parse();
println!("PORT = {}", cli.port);
}