From b07f8be4bbb2b074dadf15aa03f819b3a26db0a5 Mon Sep 17 00:00:00 2001
From: Carl Lerche <me@carllerche.com>
Date: Tue, 20 Oct 2020 10:14:03 -0700
Subject: [PATCH] use checked addition with range

---
 src/bytes.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bytes.rs b/src/bytes.rs
index 96af7d6af..66b941d99 100644
--- a/src/bytes.rs
+++ b/src/bytes.rs
@@ -237,7 +237,7 @@ impl Bytes {
         };
 
         let end = match range.end_bound() {
-            Bound::Included(&n) => n + 1,
+            Bound::Included(&n) => n.checked_add(1).expect("out of range"),
             Bound::Excluded(&n) => n,
             Bound::Unbounded => len,
         };