From 7300daef727c29c6c48b1cec8968882b14eb1f25 Mon Sep 17 00:00:00 2001
From: Pavel Grigorenko <GrigorenkoPV@ya.ru>
Date: Mon, 2 Sep 2024 03:49:35 +0300
Subject: [PATCH] impl `AsRef<[T; N]>` and `AsMut<[T; N]>` for `[T; N]`

---
 library/core/src/convert/mod.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/library/core/src/convert/mod.rs b/library/core/src/convert/mod.rs
index 432e55e8c9a4c..57e41bf73a16b 100644
--- a/library/core/src/convert/mod.rs
+++ b/library/core/src/convert/mod.rs
@@ -850,6 +850,24 @@ impl AsMut<str> for str {
     }
 }
 
+#[cfg(not(bootstrap))]
+#[stable(feature = "array_as_ref_impl", since = "CURRENT_RUSTC_VERSION")]
+impl<T, const N: usize> AsRef<[T; N]> for [T; N] {
+    #[inline(always)]
+    fn as_ref(&self) -> &Self {
+        self
+    }
+}
+
+#[cfg(not(bootstrap))]
+#[stable(feature = "array_as_ref_impl", since = "CURRENT_RUSTC_VERSION")]
+impl<T, const N: usize> AsMut<[T; N]> for [T; N] {
+    #[inline(always)]
+    fn as_mut(&mut self) -> &mut Self {
+        self
+    }
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // THE NO-ERROR ERROR TYPE
 ////////////////////////////////////////////////////////////////////////////////