clap/examples/tutorial_derive/02_app_settings.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

20 lines
478 B
Rust

use clap::{AppSettings, Parser};
#[derive(Parser)]
#[clap(author, version, about, long_about = None)]
#[clap(global_setting(AppSettings::AllArgsOverrideSelf))]
#[clap(global_setting(AppSettings::DeriveDisplayOrder))]
#[clap(global_setting(AppSettings::AllowNegativeNumbers))]
struct Cli {
#[clap(long)]
two: String,
#[clap(long)]
one: String,
}
fn main() {
let cli = Cli::parse();
println!("two: {:?}", cli.two);
println!("one: {:?}", cli.one);
}