net/netip: replace != nil with != "" in comment

Change-Id: Ie204f90e51c210efe520a075b917c6178e109676
GitHub-Last-Rev: 9ca21ff92fbce5b60b904cdaf1e32632dbcdd0c6
GitHub-Pull-Request: golang/go#67341
Reviewed-on: https://go-review.googlesource.com/c/go/+/585155
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Auto-Submit: Brad Fitzpatrick <bradfitz@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

diff --git a/src/net/netip/netip.go b/src/net/netip/netip.go
index a6a8fcd42373abee8707c8ab43bfcc3b7538865c..4b0a61dd9839409aefc5de4fec8bda86136d771e 100644 (file)
--- a/src/net/netip/netip.go
+++ b/src/net/netip/netip.go
@@ -60,7 +60,7 @@ type Addr struct {
 // addrDetail represents the details of an Addr, like address family and IPv6 zone.
 type addrDetail struct {
        IsV6   bool   // IPv4 is false, IPv6 is true.
-       ZoneV6 string // != nil only if IsV6 is true.
+       ZoneV6 string // != "" only if IsV6 is true.
 }
 
 // z0, z4, and z6noz are sentinel Addr.z values.