From 3f120fb35542eebbb33be7eae41825bb79820e78 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Sat, 28 Aug 2021 10:59:51 -0700
Subject: [PATCH] Enable unsized Map/SeqAccess types to use the impl for &mut

---
 serde/src/de/mod.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/serde/src/de/mod.rs b/serde/src/de/mod.rs
index 86fc38230..54e2fd646 100644
--- a/serde/src/de/mod.rs
+++ b/serde/src/de/mod.rs
@@ -1714,7 +1714,7 @@ pub trait SeqAccess<'de> {
     }
 }
 
-impl<'de, 'a, A> SeqAccess<'de> for &'a mut A
+impl<'de, 'a, A: ?Sized> SeqAccess<'de> for &'a mut A
 where
     A: SeqAccess<'de>,
 {
@@ -1867,7 +1867,7 @@ pub trait MapAccess<'de> {
     }
 }
 
-impl<'de, 'a, A> MapAccess<'de> for &'a mut A
+impl<'de, 'a, A: ?Sized> MapAccess<'de> for &'a mut A
 where
     A: MapAccess<'de>,
 {