clap/examples/tutorial_builder/03_02_option.rs
Ed Page befee6667b docs: Re-work examples
This creates distinct tutorial examples from complex feature examples
(more how-tos).  Both sets are getting builder / derive versions (at
least the critical ones).
2021-11-30 21:33:52 -06:00

9 lines
216 B
Rust

use clap::{app_from_crate, arg};
fn main() {
let matches = app_from_crate!()
.arg(arg!(-n --name <NAME>).required(false))
.get_matches();
println!("name: {:?}", matches.value_of("name"));
}