rust_learning/rectangles/src/main.rs

29 lines
469 B
Rust

#[derive(Debug)]
struct Rectangle {
width: u32,
height: u32,
}
impl Rectangle {
fn area(&self) -> u32 {
self.width * self.height
}
fn add_height(&mut self) {
self.height += 1;
}
}
fn main() {
let mut rect1 = Rectangle {
width: 30,
height: 50,
};
println!(
"The area of the rectangle is {} square pixels.",
rect1.area()
);
rect1.add_height();
println!("{:#?}", rect1);
}