clap/examples/basic.rs
2018-02-25 11:22:24 +01:00

54 lines
1.5 KiB
Rust

// 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.
#[macro_use]
extern crate structopt;
use std::path::PathBuf;
use structopt::StructOpt;
/// A basic example
#[derive(StructOpt, Debug)]
#[structopt(name = "basic")]
struct Opt {
// A flag, true if used in the command line. Note doc comment will
// be used for the help message of the flag.
/// Activate debug mode
#[structopt(short = "d", long = "debug")]
debug: bool,
// The number of occurences of the `v/verbose` flag
/// Verbose mode (-v, -vv, -vvv, etc.)
#[structopt(short = "v", long = "verbose", parse(from_occurrences))]
verbose: u8,
/// Set speed
#[structopt(short = "s", long = "speed", default_value = "42")]
speed: f64,
/// Output file
#[structopt(short = "o", long = "output", parse(from_os_str))]
output: PathBuf,
/// Number of cars
#[structopt(short = "c", long = "nb-cars")]
nb_cars: Option<i32>,
/// admin_level to consider
#[structopt(short = "l", long = "level")]
level: Vec<String>,
/// Files to process
#[structopt(name = "FILE", parse(from_os_str))]
files: Vec<PathBuf>,
}
fn main() {
let opt = Opt::from_args();
println!("{:?}", opt);
}