From fc6af819c4fc352a0b6487d82786c960e1d5deef Mon Sep 17 00:00:00 2001
From: Aron Parker <hl3mukkel@gmail.com>
Date: Mon, 25 Apr 2022 18:38:47 +0200
Subject: [PATCH] Make EncodeWide implement FusedIterator

---
 library/std/src/sys_common/wtf8.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/library/std/src/sys_common/wtf8.rs b/library/std/src/sys_common/wtf8.rs
index 10ef6662115c1..7d66973bed6f5 100644
--- a/library/std/src/sys_common/wtf8.rs
+++ b/library/std/src/sys_common/wtf8.rs
@@ -25,7 +25,7 @@ use crate::char;
 use crate::collections::TryReserveError;
 use crate::fmt;
 use crate::hash::{Hash, Hasher};
-use crate::iter::FromIterator;
+use crate::iter::{FromIterator, FusedIterator};
 use crate::mem;
 use crate::ops;
 use crate::rc::Rc;
@@ -899,6 +899,9 @@ impl<'a> Iterator for EncodeWide<'a> {
     }
 }
 
+#[stable(feature = "encode_wide_fused_iterator", since = "1.62.0")]
+impl FusedIterator for EncodeWide<'_> {}
+
 impl Hash for CodePoint {
     #[inline]
     fn hash<H: Hasher>(&self, state: &mut H) {