more struct methods, receiving another struct

rectangles/.vscode/launch.json

@@ -0,0 +1,45 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "lldb",
+      "request": "launch",
+      "name": "Debug executable 'rectangles'",
+      "cargo": {
+        "args": [
+          "build",
+          "--bin=rectangles",
+          "--package=rectangles"
+        ],
+        "filter": {
+          "name": "rectangles",
+          "kind": "bin"
+        }
+      },
+      "args": [],
+      "cwd": "${workspaceFolder}"
+    },
+    {
+      "type": "lldb",
+      "request": "launch",
+      "name": "Debug unit tests in executable 'rectangles'",
+      "cargo": {
+        "args": [
+          "test",
+          "--no-run",
+          "--bin=rectangles",
+          "--package=rectangles"
+        ],
+        "filter": {
+          "name": "rectangles",
+          "kind": "bin"
+        }
+      },
+      "args": [],
+      "cwd": "${workspaceFolder}"
+    }
+  ]
+}

rectangles/Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "rectangles"
+version = "0.1.0"

rectangles/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "rectangles"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

rectangles/src/main.rs

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+#[derive(Debug)]
+struct Rectangle {
+    width: u32,
+    height: u32,
+}
+
+impl Rectangle {
+    fn area(&self) -> u32 {
+        self.width * self.height
+    }
+    fn can_hold(&self, r2: &Rectangle) -> bool {
+        self.width > r2.width && self.height > r2.height
+    }
+}
+
+
+
+
+
+// MAIN
+fn main() {
+    let rect1 = Rectangle { width:30, height:50};
+    let rect2 = Rectangle { width:10, height:40};
+    let rect3 = Rectangle { width:60, height:45};
+
+    println!("r: {}", rect1.area());
+    println!("r: {}", rect2.area());
+    println!("r: {}", rect3.area());
+
+    println!("Can rect1 hold rect2? {}", rect1.can_hold(&rect2));
+    println!("Can rect1 hold rect3? {}", rect1.can_hold(&rect3));
+}
+