icicle 0.1.0

A CLI parser library with syntax similar to commander.js
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

use icicle::Command;
use std::process;

fn main() {
    let mut program = Command::new("human");

    program
        .command("greet")
        .desc("Greet any amount of people.")
        .array_argument("Names you want to greet.")
        .action(|args| {
            for arg in args.iter() {
                println!("Hello, {}!", arg);
            }

            Ok(())
        });

    program
        .command("add")
        .desc("Add two numbers.")
        .option("-x, --x", "First number")
        .option("-y, --y", "Second number")
        .action(|args| {
            let x = args.get_or::<i32>("-x", "--x").unwrap();
            let y = args.get_or::<i32>("-y", "--y").unwrap();
            println!("{x} + {y} = {}", x + y);

            Ok(())
        })
        .command("infinite")
        .desc("Add any amount of numbers.")
        .array_argument("Numbers you want to add.")
        .action(|args| {
            let mut sum = 0;
            for arg in args.iter() {
                sum += arg.parse::<i32>().unwrap();
            }
            println!("{} = {}", args.join(" + "), sum);

            Ok(())
        });

    if let Err(error) = program.run_env() {
        println!("Error: {error}");
        process::exit(1);
    }
}