From 3325ff6df47f75cdf4891b35dcaf565f7ffb22cf Mon Sep 17 00:00:00 2001
From: Maximilian Roos <m@maxroos.com>
Date: Mon, 29 Jul 2019 12:26:59 -0400
Subject: [PATCH] comments from @lzutao

---
 src/liballoc/tests/str.rs | 2 +-
 src/libcore/str/mod.rs    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/liballoc/tests/str.rs b/src/liballoc/tests/str.rs
index 20132fea65118..c5198ca39fedf 100644
--- a/src/liballoc/tests/str.rs
+++ b/src/liballoc/tests/str.rs
@@ -1109,7 +1109,7 @@ fn test_iterator_last() {
 }
 
 #[test]
-fn test_chars_display() {
+fn test_chars_debug() {
     let s = "ศไทย中华Việt Nam";
     let c = s.chars();
     assert_eq!(
diff --git a/src/libcore/str/mod.rs b/src/libcore/str/mod.rs
index ee791748c1ddf..4faf9ff4d2ee2 100644
--- a/src/libcore/str/mod.rs
+++ b/src/libcore/str/mod.rs
@@ -601,7 +601,7 @@ impl<'a> Iterator for Chars<'a> {
 }
 
 #[stable(feature = "chars_debug_impl", since = "1.38.0")]
-impl<'a> fmt::Debug for Chars<'a> {
+impl fmt::Debug for Chars<'_> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "Chars(")?;
         f.debug_list().entries(self.clone()).finish()?;