[rustc.git] / vendor / structopt / examples / enum_in_args.rs

//! How to use `arg_enum!` with `StructOpt`.

use clap::arg_enum;
use structopt::StructOpt;

arg_enum! {
    #[derive(Debug)]
    enum Baz {
        Foo,
        Bar,
        FooBar
    }
}

#[derive(StructOpt, Debug)]
struct Opt {
    /// Important argument.
    #[structopt(possible_values = &Baz::variants(), case_insensitive = true)]
    i: Baz,
}

fn main() {
    let opt = Opt::from_args();
    println!("{:?}", opt);
}
Commit	Line	Data
f20569fa XL	1	//! How to use `arg_enum!` with `StructOpt`.
	2
	3	use clap::arg_enum;
	4	use structopt::StructOpt;
	5
	6	arg_enum! {
	7	#[derive(Debug)]
	8	enum Baz {
	9	Foo,
	10	Bar,
	11	FooBar
	12	}
	13	}
	14
	15	#[derive(StructOpt, Debug)]
	16	struct Opt {
	17	/// Important argument.
	18	#[structopt(possible_values = &Baz::variants(), case_insensitive = true)]
	19	i: Baz,
	20	}
	21
	22	fn main() {
	23	let opt = Opt::from_args();
	24	println!("{:?}", opt);
	25	}