From 5c3f0aa73ebc934ce46a8cb34568c964c68a21ae Mon Sep 17 00:00:00 2001
From: icylight <408209435@qq.com>
Date: Sat, 20 Aug 2022 14:48:03 +0800
Subject: [PATCH] style(metadata): specify map capacity hints (#2296)

---
 metadata/metadata.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/metadata/metadata.go b/metadata/metadata.go
index be1806259..3dabdbaef 100644
--- a/metadata/metadata.go
+++ b/metadata/metadata.go
@@ -46,7 +46,7 @@ func (m Metadata) Range(f func(k, v string) bool) {
 
 // Clone returns a deep copy of Metadata
 func (m Metadata) Clone() Metadata {
-	md := Metadata{}
+	md := make(Metadata, len(m))
 	for k, v := range m {
 		md[k] = v
 	}