From: apocelipes <seve3r@outlook.com>
Date: Thu, 14 Mar 2024 10:41:08 +0000 (+0000)
Subject: net/netip: use built-in clear to simplify code
X-Git-Tag: go1.23rc1~884
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=1d96895ccbea79daa9d6538bf9da6a4dd197336b;p=gostls13.git

net/netip: use built-in clear to simplify code

Change-Id: Ic7b390935df107c5b7f53f9347a52031eac8a897
GitHub-Last-Rev: a7194571e1c2f90537f1caa8a3b5bcd60cea60be
GitHub-Pull-Request: golang/go#66310
Reviewed-on: https://go-review.googlesource.com/c/go/+/571635
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: qiulaidongfeng <2645477756@qq.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
---

diff --git a/src/net/netip/netip.go b/src/net/netip/netip.go
index d709c56dfa..b613a5c82f 100644
--- a/src/net/netip/netip.go
+++ b/src/net/netip/netip.go
@@ -335,9 +335,7 @@ func parseIPv6(in string) (Addr, error) {
 		for j := i - 1; j >= ellipsis; j-- {
 			ip[j+n] = ip[j]
 		}
-		for j := ellipsis + n - 1; j >= ellipsis; j-- {
-			ip[j] = 0
-		}
+		clear(ip[ellipsis : ellipsis+n])
 	} else if ellipsis >= 0 {
 		// Ellipsis must represent at least one 0 group.
 		return Addr{}, parseAddrError{in: in, msg: "the :: must expand to at least one field of zeros"}