Cargo.toml：

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[dependencies]
clap = { version = "3.0.5", features = ["derive"] }

src/main.rs：

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use clap::Parser;

#[derive(Parser, Debug)]
#[clap(about, version, author)]
pub struct Args {
    #[clap(short, long)]
    one_option: String,
    #[clap(short, long)]
    two_option: String,
}

fn main() {
    let args = Args::parse();
    println!("one_option = {}", args.one_option);
    println!("two_option = {}", args.two_option)
}