clap/examples/tutorial_derive/03_02_option.rs
Ed Page 4b51b8e253 docs(examples): Steer people to know about about vs long_about
`#[clap(about)]` only overrides `about`.  If the doc comment also sets
`long_about`, it won't be overridden.  This change is to help raise
visibility of reseting `long_about` in these cases.
2022-01-10 18:47:24 -06:00

14 lines
247 B
Rust

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