// Copyright 2018 Guillaume Pinot (@TeXitoi) , // Kevin Knapp (@kbknapp) , and // Andrew Hobden (@hoverbear) // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // // This work was derived from Structopt (https://github.com/TeXitoi/structopt) // commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the // MIT/Apache 2.0 license. #[macro_use] extern crate clap; use clap::{AppSettings, Clap}; /// An example of raw attributes #[derive(Clap, Debug)] #[clap(raw(global_settings = "&[AppSettings::ColoredHelp, AppSettings::VersionlessSubcommands]"))] struct Opt { /// Output file #[clap(short = "o", long = "output")] output: String, /// admin_level to consider #[clap(short = "l", long = "level", raw(aliases = r#"&["set-level", "lvl"]"#))] level: Vec, /// Files to process /// /// `level` is required if a file is called `FILE`. #[clap(name = "FILE", raw(requires_if = r#""FILE", "level""#))] files: Vec, } fn main() { let opt = Opt::parse(); println!("{:?}", opt); }