example/src/main.rs


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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112

use syrette::{injectable, DIContainer, DIContainerError};

trait IDog
{
    fn woof(&self);
}

struct Dog {}

#[injectable(IDog)]
impl Dog
{
    fn new() -> Self
    {
        Self {}
    }
}

impl IDog for Dog
{
    fn woof(&self)
    {
        println!("Woof!");
    }
}

trait ICat
{
    fn meow(&self);
}

struct Cat {}

#[injectable(ICat)]
impl Cat
{
    fn new() -> Self
    {
        Self {}
    }
}

impl ICat for Cat
{
    fn meow(&self)
    {
        println!("Meow!");
    }
}

trait ICow
{
    fn moo(&self);
}

trait IHuman
{
    fn make_pets_make_sounds(&self);
}

struct Human
{
    _dog: Box<dyn IDog>,
    _cat: Box<dyn ICat>,
}

#[injectable(IHuman)]
impl Human
{
    fn new(dog: Box<dyn IDog>, cat: Box<dyn ICat>) -> Self
    {
        Self {
            _dog: dog,
            _cat: cat,
        }
    }
}

impl IHuman for Human
{
    fn make_pets_make_sounds(&self)
    {
        println!("Hi doggy!");

        self._dog.woof();

        println!("Hi kitty!");

        self._cat.meow();
    }
}

fn main() -> error_stack::Result<(), DIContainerError>
{
    println!("Hello, world!");

    let mut di_container: DIContainer = DIContainer::new();

    di_container.bind::<dyn IDog>().to::<Dog>();
    di_container.bind::<dyn ICat>().to::<Cat>();
    di_container.bind::<dyn IHuman>().to::<Human>();

    let dog = di_container.get::<dyn IDog>()?;

    dog.woof();

    let human = di_container.get::<dyn IHuman>()?;

    human.make_pets_make_sounds();

    Ok(())
}