#[derive(Debug)]
struct Rectangle {
    width: u32,
    height: u32,
}

impl Rectangle {
    fn area(&self) -> u32 {
        self.width * self.height
    }

    fn width(&self) -> bool {
        self.width > 0
    }

    fn can_hold(&self, other: &Rectangle) -> bool {
        (self.width > other.width && self.height > other.height) ||
            (self.width > other.height && self.height > other.width)
    }
}

fn main() {
    let rect1 = Rectangle {
        width: 30,
        height: 50,
    };

    let rect2 = Rectangle {
        width: 10,
        height: 40,
    };

    let rect3 = Rectangle {
        width: 60,
        height: 45,
    };

    let rect4 = Rectangle {
        width: 40,
        height: 25,
    };


    println! ("rect1 可以容纳 rect2 吗？{}", rect1.can_hold(&rect2));
    println! ("rect1 可以容纳 rect3 吗？{}", rect1.can_hold(&rect3));
    println! ("rect1 可以容纳 rect4 吗？{}", rect1.can_hold(&rect4));
}
