Assign from a block

rustbook/functions/src/main.rs

@@ -1,10 +1,8 @@
 fn main() {
-    println!("Hello, world!");
+    let y = {
+        let x = 3;
+        x + 1
+    };
 
-    another_function(5, 6);
-}
-
-fn another_function(x: i32, y: i32) {
-    println!("The value of x is: {}", x);
     println!("The value of y is: {}", y);
 }