structopt 0.3.16

Parse command line argument by defining a struct.
Documentation
// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

use structopt::StructOpt;

#[test]
fn raw_bool_literal() {
    #[derive(StructOpt, Debug, PartialEq)]
    #[structopt(no_version, name = "raw_bool")]
    struct Opt {
        #[structopt(raw(false))]
        a: String,
        #[structopt(raw(true))]
        b: String,
    }

    assert_eq!(
        Opt {
            a: "one".into(),
            b: "--help".into()
        },
        Opt::from_iter(&["test", "one", "--", "--help"])
    );
}