style: optimized ch13-02-iterators sample code

2025-01-23 07:20:20 +08:00 · 2022-03-01 20:08:55 +08:00 · 2022-03-01 20:08:55 +08:00 · d7a6edefc8
commit d7a6edefc8
parent e3d20c06cb
1 changed files with 5 additions and 4 deletions
--- a/src/ch13-02-iterators.md
+++ b/src/ch13-02-iterators.md
@ -335,7 +335,8 @@ fn calling_next_directly() {
 #
 #[test]
 fn using_other_iterator_trait_methods() {
-    let sum: u32 = Counter::new().zip(Counter::new().skip(1))
+    let sum: u32 = Counter::new()
+        .zip(Counter::new().skip(1))
        .map(|(a, b)| a * b)
        .filter(|x| x % 3 == 0)
        .sum();