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1 struct Rectangle {
2 width: u32,
3 height: u32,
4 }
5
6 fn main() {
7 let rect1 = Rectangle { width: 30, height: 50 };
8
9 println!(
10 "The perimeter of the rectangle is {} pixels.",
11 perimeter(&rect1)
12 );
13 println!(r#"This line contains invalid utf8: "�����"#;
14 }
15
16 fn area(rectangle: &Rectangle) -> u32 {
17 rectangle.width * rectangle.height
18 }
19
20 fn perimeter(rectangle: &Rectangle) -> u32 {
21 (rectangle.width + rectangle.height) * 2
22 }
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