From d42ae75a9e09a18dd17226d0f916d90b2a4e6f76 Mon Sep 17 00:00:00 2001
From: heinrich5991 <heinrich5991@gmail.com>
Date: Thu, 8 Aug 2024 00:00:41 +0200
Subject: [PATCH] Use `Ipv6::to_ipv4_mapped` in mastersrv

Needs Rust 1.63.0, should be old enough at this point.
---
 src/mastersrv/src/main.rs | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/mastersrv/src/main.rs b/src/mastersrv/src/main.rs
index 8bd9a9348..c16f06596 100644
--- a/src/mastersrv/src/main.rs
+++ b/src/mastersrv/src/main.rs
@@ -1009,11 +1009,8 @@ async fn main() {
             addr.unwrap().ip()
         };
         if let IpAddr::V6(v6) = addr {
-            if let Some(v4) = v6.to_ipv4() {
-                // TODO: switch to `to_ipv4_mapped` in the future.
-                if !v6.is_loopback() {
-                    addr = IpAddr::from(v4);
-                }
+            if let Some(v4) = v6.to_ipv4_mapped() {
+                addr = IpAddr::from(v4);
             }
         }
         Ok(addr)