From 3aa6c39c1ec2bb9a1eb5150c6ce42df0de8659c7 Mon Sep 17 00:00:00 2001
From: Alpha Chen <alpha.chen@gmail.com>
Date: Sun, 3 Jan 2016 20:28:49 -0800
Subject: [PATCH] [rust] Day 5.0 refactoring

---
 rust/src/day_05.rs | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/rust/src/day_05.rs b/rust/src/day_05.rs
index fa6be63..c98afc4 100644
--- a/rust/src/day_05.rs
+++ b/rust/src/day_05.rs
@@ -21,12 +21,7 @@ impl Day05 {
     }
 
     fn has_double_letters(string: &String) -> bool {
-        for win in string.as_bytes().windows(2) {
-            if win[0] == win[1] {
-                return true;
-            }
-        }
-        false
+        string.as_bytes().windows(2).any(|win| win[0] == win[1])
     }
 
     fn has_no_substrings(string: &String) -> bool {