From b7ad3f9fc4b293fd5ada4b975910be26105e5847 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Miku=C5=82a?= <matti@marinelayer.io>
Date: Thu, 22 Aug 2019 11:44:57 +0200
Subject: [PATCH 1/3] Apply clippy::redundant_field_names suggestion

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

diff --git a/src/build_helper/lib.rs b/src/build_helper/lib.rs
index a1aa18922b5c5..131d2034675e3 100644
--- a/src/build_helper/lib.rs
+++ b/src/build_helper/lib.rs
@@ -262,7 +262,7 @@ pub fn native_lib_boilerplate(
     if !up_to_date(Path::new("build.rs"), &timestamp) || !up_to_date(src_dir, &timestamp) {
         Ok(NativeLibBoilerplate {
             src_dir: src_dir.to_path_buf(),
-            out_dir: out_dir,
+            out_dir,
         })
     } else {
         Err(())

From 7f4aba40fcdc00c41438a77d202276eaf5b58a8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Miku=C5=82a?= <matti@marinelayer.io>
Date: Thu, 22 Aug 2019 11:47:36 +0200
Subject: [PATCH 2/3] Apply clippy::needless_return suggestions

---
 src/libcore/iter/adapters/mod.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libcore/iter/adapters/mod.rs b/src/libcore/iter/adapters/mod.rs
index a63434abd6c9f..f50781890ab22 100644
--- a/src/libcore/iter/adapters/mod.rs
+++ b/src/libcore/iter/adapters/mod.rs
@@ -1309,7 +1309,7 @@ impl<I> DoubleEndedIterator for Peekable<I> where I: DoubleEndedIterator {
         Self: Sized, F: FnMut(B, Self::Item) -> R, R: Try<Ok=B>
     {
         match self.peeked.take() {
-            Some(None) => return Try::from_ok(init),
+            Some(None) => Try::from_ok(init),
             Some(Some(v)) => match self.iter.try_rfold(init, &mut f).into_result() {
                 Ok(acc) => f(acc, v),
                 Err(e) => {
@@ -1326,7 +1326,7 @@ impl<I> DoubleEndedIterator for Peekable<I> where I: DoubleEndedIterator {
         where Fold: FnMut(Acc, Self::Item) -> Acc,
     {
         match self.peeked {
-            Some(None) => return init,
+            Some(None) => init,
             Some(Some(v)) => {
                 let acc = self.iter.rfold(init, &mut fold);
                 fold(acc, v)

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 3/3] 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 bfbbb15c8d488..931768564ca3c 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