rectangles with structs

rectangles/src/main.rs

@@ -1,3 +1,9 @@
+#[derive(Debug)]
+struct Rectangle {
+    width: u32,
+    height: u32,
+}
+
 fn main() {
     let width1 = 30;
     let height1 = 50;
@@ -13,6 +19,16 @@ fn main() {
         "The area of the rectangle is {} square pixels.",
         area_tuple(rect)
     );
+
+    let rect = Rectangle {
+        width: 30,
+        height: 50,
+    };
+
+    println!(
+        "The area of the rectangle is {} square pixels.",
+        area_struct(&rect)
+    );
 }
 
 fn area(width: u32, height: u32) -> u32 {
@@ -22,3 +38,7 @@ fn area(width: u32, height: u32) -> u32 {
 fn area_tuple(dimensions: (u32, u32)) -> u32 {
     dimensions.0 * dimensions.1
 }
+
+fn area_struct(rect: &Rectangle) -> u32 {
+    rect.width * rect.height
+}