├── Cargo.toml
├── Cargo.lock
└── src
    └── main.rs


/Cargo.toml:
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1 | [package]
2 | name = "sandbox-rust-generics"
3 | version = "0.1.0"
4 | edition = "2021"
5 | 
6 | [dependencies]
7 | 


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/Cargo.lock:
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1 | # This file is automatically @generated by Cargo.
2 | # It is not intended for manual editing.
3 | version = 3
4 | 
5 | [[package]]
6 | name = "sandbox-rust-generics"
7 | version = "0.1.0"
8 | 


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/src/main.rs:
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 1 | fn main() {
 2 | 
 3 | 
 4 |     let msg = add_strs(String::from("Hello, "), String::from("World!"));
 5 |     dbg!(msg);
 6 | 
 7 |     let sum = add_nums(1, 1);
 8 |     dbg!(sum);
 9 | 
10 |     let another_sum = add_generic(2, 2);
11 |     dbg!(another_sum);
12 | 
13 |     let p1 = Point {x: 10, y: 10};
14 |     let p2 = Point {x: 10, y: 10};
15 |     let p3 = add_generic(p1, p2);
16 |     dbg!(p3);
17 | 
18 | }
19 | 
20 | // a function which adds two strings
21 | fn add_strs(s1: String, s2: String) -> String {
22 |     s1 + &s2
23 | }
24 | 
25 | // a function which adds two numbers
26 | fn add_nums(x: i32, y: i32) -> i32 {
27 |     x + y
28 | }
29 | 
30 | // a generic function which can handle both String and i32 (along with other types
31 | fn add_generic<T: std::ops::Add<Output = T>>(x: T, y: T) -> T {
32 |     x + y
33 | }
34 | 
35 | // a custom type we might want to add
36 | #[derive(Debug)]
37 | struct Point {
38 |     x: i32,
39 |     y: i32,
40 | }
41 | 
42 | // implementing add on our custom type
43 | impl std::ops::Add for Point {
44 |     type Output = Point;
45 | 
46 |     fn add(self, other: Point) -> Point {
47 |         Point {
48 |             x: self.x + other.x,
49 |             y: self.y + other.y,
50 |         }
51 |     }
52 | }
53 | 
54 | 


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