From ef8a6421c05fe12048a4dc95c8b55b8e25acd9d4 Mon Sep 17 00:00:00 2001
From: Xiaobo Liu <cppcoffee@gmail.com>
Date: Sat, 21 Jun 2025 19:12:08 +0800
Subject: [PATCH] stun: use format! macro instead of string concatenation in
 Uri display

Replace manual string concatenation with format! macro for IPv6 host
formatting in Uri::fmt implementation for better readability and
performance.

Signed-off-by: Xiaobo Liu <cppcoffee@gmail.com>
---
 stun/src/uri.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stun/src/uri.rs b/stun/src/uri.rs
index 5dce476d9..d87a2f833 100644
--- a/stun/src/uri.rs
+++ b/stun/src/uri.rs
@@ -21,7 +21,7 @@ pub struct Uri {
 impl fmt::Display for Uri {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let host = if self.host.contains("::") {
-            "[".to_owned() + self.host.as_str() + "]"
+            format!("[{}]", self.host)
         } else {
             self.host.clone()
         };