From bb692951db13febf979c641ed4be394448fe9129 Mon Sep 17 00:00:00 2001
From: SeanOMik <seanomik@gmail.com>
Date: Sat, 27 Jan 2024 16:01:50 -0500
Subject: [PATCH] Let mutable userdata references in functions

---
 src/userdata.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/userdata.rs b/src/userdata.rs
index 884f259..be2dad0 100755
--- a/src/userdata.rs
+++ b/src/userdata.rs
@@ -287,4 +287,11 @@ impl<'a, T: Userdata> FromLua<'a> for &'a T {
         let ud = val.into_userdata()?;
         ud.as_ref::<T>()
     }
+}
+
+impl<'a, T: Userdata> FromLua<'a> for &'a mut T {
+    fn from_lua(_lua: &'a State, val: Value<'a>) -> crate::Result<Self> {
+        let ud = val.into_userdata()?;
+        ud.as_mut::<T>()
+    }
 }
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