fix docs

libs/manacher/src/lib.rs

@@ -23,7 +23,9 @@
 /// # use manacher::manacher;
 /// let s = "mississippi";
 /// let a = manacher(s.as_bytes());
-/// assert_eq!(a,, vec![0, 1, 0, 1, 0, 1, 4, 1, 0, 7, 0, 1, 4, 1, 0, 1, 0, 1, 4, 1, 0, 1, 0]);
+/// assert_eq!(a, vec![
+///     0, 1, 0, 1, 0, 1, 4, 1, 0, 7, 0, 1, 4, 1, 0, 1, 0, 1, 4, 1, 0, 1, 0
+/// ]);
 /// ```
 ///
 /// | $i$ | $s_{(i - 1) / 2}$ | $A_i$ | $s_{(i - A_i) / 2..(i + A_i) / 2}$ |