net/netip: unexport fields of addrDetail

For #68113

Change-Id: I19c7d8eff8e3a7a1b6c8e28cb867edeca6be237d
Reviewed-on: https://go-review.googlesource.com/c/go/+/593737
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>

3 files changed, 13 insertions, 9 deletions

diff --git a/src/net/netip/export_test.go b/src/net/netip/export_test.go
index 4febcad893..b2fae1aa47 100644
--- a/src/net/netip/export_test.go
+++ b/src/net/netip/export_test.go
@@ -16,6 +16,10 @@ type Uint128 = uint128
 
 type AddrDetail = addrDetail
 
+func MakeAddrDetail(isV6 bool, zoneV6 string) AddrDetail {
+	return AddrDetail{isV6: isV6, zoneV6: zoneV6}
+}
+
 func Mk128(hi, lo uint64) Uint128 {
 	return uint128{hi, lo}
 }
diff --git a/src/net/netip/netip.go b/src/net/netip/netip.go
index 57063eeb71..a1e93cb29b 100644
--- a/src/net/netip/netip.go
+++ b/src/net/netip/netip.go
@@ -59,8 +59,8 @@ 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 // != "" only if IsV6 is true.
+	isV6   bool   // IPv4 is false, IPv6 is true.
+	zoneV6 string // != "" only if IsV6 is true.
 }
 
 // z0, z4, and z6noz are sentinel Addr.z values.
@@ -68,7 +68,7 @@ type addrDetail struct {
 var (
 	z0    unique.Handle[addrDetail]
 	z4    = unique.Make(addrDetail{})
-	z6noz = unique.Make(addrDetail{IsV6: true})
+	z6noz = unique.Make(addrDetail{isV6: true})
 )
 
 // IPv6LinkLocalAllNodes returns the IPv6 link-local all nodes multicast
@@ -410,7 +410,7 @@ func (ip Addr) Zone() string {
 	if ip.z == z0 {
 		return ""
 	}
-	return ip.z.Value().ZoneV6
+	return ip.z.Value().zoneV6
 }
 
 // Compare returns an integer comparing two IPs.
@@ -495,7 +495,7 @@ func (ip Addr) WithZone(zone string) Addr {
 		ip.z = z6noz
 		return ip
 	}
-	ip.z = unique.Make(addrDetail{IsV6: true, ZoneV6: zone})
+	ip.z = unique.Make(addrDetail{isV6: true, zoneV6: zone})
 	return ip
 }
 
diff --git a/src/net/netip/netip_test.go b/src/net/netip/netip_test.go
index ad0e754208..94c70f2290 100644
--- a/src/net/netip/netip_test.go
+++ b/src/net/netip/netip_test.go
@@ -112,18 +112,18 @@ func TestParseAddr(t *testing.T) {
 		// IPv6 with a zone specifier.
 		{
 			in: "fd7a:115c:a1e0:ab12:4843:cd96:626b:430b%eth0",
-			ip: MkAddr(Mk128(0xfd7a115ca1e0ab12, 0x4843cd96626b430b), unique.Make(AddrDetail{IsV6: true, ZoneV6: "eth0"})),
+			ip: MkAddr(Mk128(0xfd7a115ca1e0ab12, 0x4843cd96626b430b), unique.Make(MakeAddrDetail(true, "eth0"))),
 		},
 		// IPv6 with dotted decimal and zone specifier.
 		{
 			in:  "1:2::ffff:192.168.140.255%eth1",
-			ip:  MkAddr(Mk128(0x0001000200000000, 0x0000ffffc0a88cff), unique.Make(AddrDetail{IsV6: true, ZoneV6: "eth1"})),
+			ip:  MkAddr(Mk128(0x0001000200000000, 0x0000ffffc0a88cff), unique.Make(MakeAddrDetail(true, "eth1"))),
 			str: "1:2::ffff:c0a8:8cff%eth1",
 		},
 		// 4-in-6 with zone
 		{
 			in:  "::ffff:192.168.140.255%eth1",
-			ip:  MkAddr(Mk128(0, 0x0000ffffc0a88cff), unique.Make(AddrDetail{IsV6: true, ZoneV6: "eth1"})),
+			ip:  MkAddr(Mk128(0, 0x0000ffffc0a88cff), unique.Make(MakeAddrDetail(true, "eth1"))),
 			str: "::ffff:192.168.140.255%eth1",
 		},
 		// IPv6 with capital letters.
@@ -1723,7 +1723,7 @@ var parseBenchInputs = []struct {
 }
 
 func BenchmarkParseAddr(b *testing.B) {
-	sinkInternValue = unique.Make(AddrDetail{IsV6: true, ZoneV6: "eth1"}) // Pin to not benchmark the intern package
+	sinkInternValue = unique.Make(MakeAddrDetail(true, "eth1")) // Pin to not benchmark the intern package
 	for _, test := range parseBenchInputs {
 		b.Run(test.name, func(b *testing.B) {
 			b.ReportAllocs()