From 4693179cb11d8402bcbd8cfe7131071e229deadf Mon Sep 17 00:00:00 2001
From: Jonas Platte <jplatte@element.io>
Date: Mon, 14 Mar 2022 19:27:29 +0100
Subject: [PATCH] common: Use serde(borrow) to avoid unnecessary copying

---
 crates/ruma-common/src/events/room/join_rules.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/crates/ruma-common/src/events/room/join_rules.rs b/crates/ruma-common/src/events/room/join_rules.rs
index c549d845..fefe7f3b 100644
--- a/crates/ruma-common/src/events/room/join_rules.rs
+++ b/crates/ruma-common/src/events/room/join_rules.rs
@@ -109,6 +109,7 @@ impl<'de> Deserialize<'de> for JoinRule {
 
         #[derive(Deserialize)]
         struct ExtractType<'a> {
+            #[serde(borrow)]
             join_rule: Option<Cow<'a, str>>,
         }