From 3754a6cc922f88f50ed0479cfb836676936384d3 Mon Sep 17 00:00:00 2001
From: cui <523516579@qq.com>
Date: Thu, 28 Mar 2024 19:07:38 +0800
Subject: [PATCH] p2p/dnsdisc: using maps.Copy (#29377)

---
 p2p/dnsdisc/client_test.go | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/p2p/dnsdisc/client_test.go b/p2p/dnsdisc/client_test.go
index abc35ddbd3..77bfd8c131 100644
--- a/p2p/dnsdisc/client_test.go
+++ b/p2p/dnsdisc/client_test.go
@@ -20,6 +20,7 @@ import (
 	"context"
 	"crypto/ecdsa"
 	"errors"
+	"maps"
 	"reflect"
 	"testing"
 	"time"
@@ -453,9 +454,7 @@ func (mr mapResolver) clear() {
 }
 
 func (mr mapResolver) add(m map[string]string) {
-	for k, v := range m {
-		mr[k] = v
-	}
+	maps.Copy(mr, m)
 }
 
 func (mr mapResolver) LookupTXT(ctx context.Context, name string) ([]string, error) {