cote 0.17.1

Quickly build your command line utils
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

use cote::prelude::*;
use std::any::Any;

// The default policy is `fwd`(FwdPolicy)
#[derive(Debug, Cote)]
pub struct Widget;

// Configure the policy with built-in `delay` or `fwd`, `seq`
#[derive(Debug, Cote)]
#[cote(policy = delay)]
pub struct Windows;

// Enable `prepolicy` if the struct has sub commands
#[derive(Debug, Cote)]
pub struct Button {
    #[sub()]
    #[allow(unused)]
    wid: Option<Widget>,

    #[sub()]
    #[allow(unused)]
    win: Option<Windows>,
}

// `NullPolicy` is a example policy can used in attribute `cote`
#[derive(Debug, Cote)]
#[cote(policy = NullPolicy)]
pub struct LineEditor;

#[test]
fn policy() {
    assert!(policy_impl().is_ok());
}

fn policy_impl() -> Result<(), Box<dyn std::error::Error>> {
    let widget = Widget::into_policy();

    assert!(check_t::<FwdPolicy<'_, CoteSet>>(&widget));

    let windows = Windows::into_policy();

    assert!(check_t::<DelayPolicy<'_, CoteSet>>(&windows));

    let button = Button::into_policy();

    assert!(check_t::<FwdPolicy<'_, CoteSet>>(&button));
    assert!(button.prepolicy());

    let line_editor = LineEditor::into_policy();

    assert!(check_t::<NullPolicy<'_, CoteSet>>(&line_editor));

    Ok(())
}

fn check_t<T: 'static>(w: &dyn Any) -> bool {
    w.is::<T>()
}