clap/examples/raw_attributes.rs
Guillaume Pinot be60de036b structopt reexport structopt_derive
As using structopt without structopt_derive is quite meaningless, reexport
structopt_derive, symplifying the usage.

Inspired by the failure crate.

fix #45
2018-02-03 16:55:43 +01:00

36 lines
1 KiB
Rust

// Copyright (c) 2017 Guillaume Pinot <texitoi(a)texitoi.eu>
//
// This work is free. You can redistribute it and/or modify it under
// the terms of the Do What The Fuck You Want To Public License,
// Version 2, as published by Sam Hocevar. See the COPYING file for
// more details.
#[macro_use]
extern crate structopt;
use structopt::StructOpt;
use structopt::clap::AppSettings;
/// An example of raw attributes
#[derive(StructOpt, Debug)]
#[structopt(global_settings_raw = "&[AppSettings::ColoredHelp, AppSettings::VersionlessSubcommands]")]
struct Opt {
/// Output file
#[structopt(short = "o", long = "output")]
output: String,
/// admin_level to consider
#[structopt(short = "l", long = "level", aliases_raw = "&[\"set-level\", \"lvl\"]")]
level: Vec<String>,
/// Files to process
///
/// `level` is required if a file is called `FILE`.
#[structopt(name = "FILE", requires_if_raw = "\"FILE\", \"level\"")]
files: Vec<String>,
}
fn main() {
let opt = Opt::from_args();
println!("{:?}", opt);
}