From 8aa24572f08e84ac649f69d02eb74439b6b448ba Mon Sep 17 00:00:00 2001
From: joboet <jonasboettiger@icloud.com>
Date: Wed, 20 Dec 2023 00:13:22 +0100
Subject: [PATCH] core: implement `UncheckedIterator` for `RepeatN`

---
 library/core/src/iter/sources/repeat_n.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/library/core/src/iter/sources/repeat_n.rs b/library/core/src/iter/sources/repeat_n.rs
index 8224e4b12a0..8390dab8e54 100644
--- a/library/core/src/iter/sources/repeat_n.rs
+++ b/library/core/src/iter/sources/repeat_n.rs
@@ -1,4 +1,4 @@
-use crate::iter::{FusedIterator, TrustedLen};
+use crate::iter::{FusedIterator, TrustedLen, UncheckedIterator};
 use crate::mem::ManuallyDrop;
 use crate::num::NonZero;
 
@@ -193,3 +193,5 @@ impl<A: Clone> FusedIterator for RepeatN<A> {}
 
 #[unstable(feature = "trusted_len", issue = "37572")]
 unsafe impl<A: Clone> TrustedLen for RepeatN<A> {}
+#[unstable(feature = "trusted_len_next_unchecked", issue = "37572")]
+impl<A: Clone> UncheckedIterator for RepeatN<A> {}