From 83d49e876c79913d394a301235a1a3c44eacf0ec Mon Sep 17 00:00:00 2001
From: cuiweixie <cuiweixie@gmail.com>
Date: Mon, 1 Apr 2024 09:27:36 +0800
Subject: [PATCH] p2p/dnsdisc: using clear builtin func

---
 p2p/dnsdisc/client_test.go | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/p2p/dnsdisc/client_test.go b/p2p/dnsdisc/client_test.go
index 77bfd8c131..f85afaf352 100644
--- a/p2p/dnsdisc/client_test.go
+++ b/p2p/dnsdisc/client_test.go
@@ -448,9 +448,7 @@ func newMapResolver(maps ...map[string]string) mapResolver {
 }
 
 func (mr mapResolver) clear() {
-	for k := range mr {
-		delete(mr, k)
-	}
+	clear(mr)
 }
 
 func (mr mapResolver) add(m map[string]string) {