From edabcddf4dbcc70228ac1db03b10df60decaf83a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Miku=C5=82a?= <matti@marinelayer.io>
Date: Thu, 22 Aug 2019 11:51:59 +0200
Subject: [PATCH] Apply clippy::let_and_return suggestion

---
 src/libcore/slice/mod.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/libcore/slice/mod.rs b/src/libcore/slice/mod.rs
index bfbbb15c8d4..931768564ca 100644
--- a/src/libcore/slice/mod.rs
+++ b/src/libcore/slice/mod.rs
@@ -3026,8 +3026,7 @@ macro_rules! len {
         if size == 0 {
             // This _cannot_ use `unchecked_sub` because we depend on wrapping
             // to represent the length of long ZST slice iterators.
-            let diff = ($self.end as usize).wrapping_sub(start as usize);
-            diff
+            ($self.end as usize).wrapping_sub(start as usize)
         } else {
             // We know that `start <= end`, so can do better than `offset_from`,
             // which needs to deal in signed.  By setting appropriate flags here