From cdbc8601b03baaf5d00add28d4a1778d20f944ff Mon Sep 17 00:00:00 2001
From: Tony Arcieri <bascule@gmail.com>
Date: Tue, 16 Jan 2024 16:26:41 -0700
Subject: [PATCH] Add `Send` and `Sync` impls for `Array`

Impls `Send` if the underlying type `T: Send`, and likewise for
`T: Sync`.
---
 src/lib.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 9cc84bd..9f03495 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -560,6 +560,14 @@ where
     }
 }
 
+// SAFETY: `Array` is a `repr(transparent)` newtype for `[T; N]`, so as long as `T: Send` it should
+// also be `Send`.
+unsafe impl<T, U: ArraySize> Send for Array<T, U> where T: Send {}
+
+// SAFETY: `Array` is a `repr(transparent)` newtype for `[T; N]`, so as long as `T: Sync` it should
+// also be `Sync`.
+unsafe impl<T, U: ArraySize> Sync for Array<T, U> where T: Sync {}
+
 impl<'a, T, U> TryFrom<&'a [T]> for Array<T, U>
 where
     Self: Clone,