immargs 0.1.1

No-hassle, on-the-spot, 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
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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68

use immargs::Args;
use immargs::immargs_from;
use immargs::immargs_from_env;
use immargs::immargs_try_from;
use immargs::immargs_try_from_env;

#[test]
fn macro_immargs_from() {
    let args = immargs_from! {
        ["test", "-f", "list", "-v", "47"],
        -f --flag,
        <command> Command {
            list ls,
            add,
            remove rm,
        }
    };

    assert!(args.flag);

    match args.command.into_str() {
        ("list", args) => list(args),
        _ => panic!(),
    }

    fn list(args: Args) {
        let args = immargs_from! {
            args,
            -v --value <num> u64,
        };

        assert!(args.value == Some(47));
    }
}

#[test]
fn macro_immargs_try_from() {
    let args = immargs_try_from! {
        ["test", "-f", "list"],
        -f --flag,
        <value> String,
    };

    let args = args.unwrap();

    assert!(args.flag);
    assert!(args.value == "list");
}

#[test]
fn macro_immargs_from_env() {
    let args = immargs_from_env! {
        -f --flag,
    };

    assert!(!args.flag);
}

#[test]
fn macro_immargs_try_from_env() {
    let args = immargs_try_from_env! {
        -f --flag,
    };

    let args = args.unwrap();

    assert!(!args.flag);
}