From 6cbe895262abb012c829f9944368b2ca48281e5a Mon Sep 17 00:00:00 2001
From: sxyazi <sxyazi@gmail.com>
Date: Wed, 8 Apr 2026 20:16:13 +0800
Subject: [PATCH] feat: support external strings for `Cow<str>` and `Cow<CStr>`

---
 src/conversion.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/conversion.rs b/src/conversion.rs
index f2f7ca5a..301d37ef 100644
--- a/src/conversion.rs
+++ b/src/conversion.rs
@@ -523,7 +523,10 @@ impl IntoLua for &str {
 impl IntoLua for Cow<'_, str> {
     #[inline]
     fn into_lua(self, lua: &Lua) -> Result<Value> {
-        Ok(Value::String(lua.create_string(self.as_bytes())?))
+        match self {
+            Cow::Borrowed(s) => s.into_lua(lua),
+            Cow::Owned(s) => s.into_lua(lua),
+        }
     }
 }
 
@@ -585,7 +588,10 @@ impl IntoLua for &CStr {
 impl IntoLua for Cow<'_, CStr> {
     #[inline]
     fn into_lua(self, lua: &Lua) -> Result<Value> {
-        Ok(Value::String(lua.create_string(self.to_bytes())?))
+        match self {
+            Cow::Borrowed(s) => s.into_lua(lua),
+            Cow::Owned(s) => s.into_lua(lua),
+        }
     }
 }