Implement Rectangle.can_hold

rustbook/rectangles/src/main.rs

@@ -8,15 +8,21 @@ impl Rectangle {
     fn area(&self) -> u32 {
         self.width * self.height
     }
+
+    fn can_hold(&self, other: &Rectangle) -> bool {
+        self.width > other.width && self.height > other.height
+    }
 }
 
 fn main() {
     let rect1 = Rectangle { width: 30, height: 50 };
+    let rect2 = Rectangle { width: 10, height: 40 };
+    let rect3 = Rectangle { width: 60, height: 45 };
 
-    println!("rect1 is {:#?}", rect1);
+    println!("Can rect1 hold rect2? {}", rect1.can_hold(&rect2));
+    println!("Can rect1 hold rect3? {}", rect1.can_hold(&rect3));
 
-    println!(
-        "The area of the rectangle is {} square pixels.",
-        rect1.area()
-    );
+    for (i, rect) in [rect1, rect2, rect3].iter().enumerate() {
+        println!("rect{} has area {}", i+1, rect.area());
+    }
 }