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