For over reversed range

rustbook/branches/src/main.rs

@@ -1,7 +1,6 @@
 fn main() {
-    let a = [10, 20, 30, 40, 50];
-
-    for element in a.iter() {
-        println!("the value is: {}", element);
+    for number in (1..4).rev() {
+        println!("{}!", number);
     }
+    println!("LIFTOFF!!!");
 }