Struct rect stuff

rustbook/rectangles/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "rectangles"
+version = "0.1.0"
+authors = ["Dan Buch <daniel.buch@gmail.com>"]
+
+[dependencies]

rustbook/rectangles/src/main.rs

@@ -0,0 +1,13 @@
+fn main() {
+    let width1 = 30;
+    let height1 = 50;
+
+    println!(
+        "The area of the rectangle is {} square pixels.",
+        area(width1, height1)
+    );
+}
+
+fn area(width: u32, height: u32) -> u32 {
+    width * height
+}