From 3738a35cc91cf6ee3b1ea024446ea7863787aec2 Mon Sep 17 00:00:00 2001
From: Tony Arcieri <bascule@gmail.com>
Date: Tue, 30 May 2023 09:31:16 -0600
Subject: [PATCH] hybrid-array: add `Deref`/`DerefMut` impls for `Array`

Derefs to the inner core array type.

Also adds bounds for `Deref`/`DerefMut` to `ArrayOps`, with a `Target`
of `[T; N]`.
---
 hybrid-array/src/lib.rs | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/hybrid-array/src/lib.rs b/hybrid-array/src/lib.rs
index c2c34732..36e439fb 100644
--- a/hybrid-array/src/lib.rs
+++ b/hybrid-array/src/lib.rs
@@ -28,7 +28,7 @@ pub use typenum;
 use core::{
     array::{IntoIter, TryFromSliceError},
     borrow::{Borrow, BorrowMut},
-    ops::{Index, IndexMut, Range},
+    ops::{Deref, DerefMut, Index, IndexMut, Range},
     slice::{Iter, IterMut},
 };
 use typenum::Unsigned;
@@ -151,6 +151,26 @@ where
     }
 }
 
+impl<T, U> Deref for Array<T, U>
+where
+    U: ArraySize,
+{
+    type Target = U::ArrayType<T>;
+
+    fn deref(&self) -> &U::ArrayType<T> {
+        &self.0
+    }
+}
+
+impl<T, U> DerefMut for Array<T, U>
+where
+    U: ArraySize,
+{
+    fn deref_mut(&mut self) -> &mut U::ArrayType<T> {
+        &mut self.0
+    }
+}
+
 impl<T, U, const N: usize> From<[T; N]> for Array<T, U>
 where
     Self: ArrayOps<T, N>,
@@ -273,6 +293,8 @@ pub trait ArrayOps<T, const N: usize>:
     + AsMut<[T; N]>
     + Borrow<[T; N]>
     + BorrowMut<[T; N]>
+    + Deref<Target = [T; N]>
+    + DerefMut
     + From<[T; N]>
     + Index<usize>
     + Index<Range<usize>>