clap 3.0.0

A simple to use, efficient, and full-featured Command Line Argument Parser
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

use clap::{AppSettings, Parser};

#[derive(Parser)]
#[clap(author, version, about)]
#[clap(global_setting(AppSettings::AllArgsOverrideSelf))]
#[clap(global_setting(AppSettings::DeriveDisplayOrder))]
#[clap(global_setting(AppSettings::AllowNegativeNumbers))]
struct Cli {
    #[clap(long)]
    two: String,
    #[clap(long)]
    one: String,
}

fn main() {
    let cli = Cli::parse();

    println!("two: {:?}", cli.two);
    println!("one: {:?}", cli.one);
}