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all: use iterators over slice views more

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This gets close to all of the remaining ones.

Updates #12912

Change-Id: I9c672bbed2654a6c5cab31e0cbece6c107d8c6fa
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2024-11-11 13:08:47 -08:00
committed by Brad Fitzpatrick
parent 00be1761b7
commit 4e0fc037e6
20 changed files with 62 additions and 86 deletions
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11
net/tsaddr/tsaddr.go
View File

@@ -180,8 +180,7 @@ func PrefixIs6(p netip.Prefix) bool { return p.Addr().Is6() }
// IPv6 /0 route.
func ContainsExitRoutes(rr views.Slice[netip.Prefix]) bool {
var v4, v6 bool
for i := range rr.Len() {
r := rr.At(i)
for _, r := range rr.All() {
if r == allIPv4 {
v4 = true
} else if r == allIPv6 {
@@ -194,8 +193,8 @@ func ContainsExitRoutes(rr views.Slice[netip.Prefix]) bool {
// ContainsExitRoute reports whether rr contains at least one of IPv4 or
// IPv6 /0 (exit) routes.
func ContainsExitRoute(rr views.Slice[netip.Prefix]) bool {
for i := range rr.Len() {
if rr.At(i).Bits() == 0 {
for _, r := range rr.All() {
if r.Bits() == 0 {
return true
}
}
@@ -205,8 +204,8 @@ func ContainsExitRoute(rr views.Slice[netip.Prefix]) bool {
// ContainsNonExitSubnetRoutes reports whether v contains Subnet
// Routes other than ExitNode Routes.
func ContainsNonExitSubnetRoutes(rr views.Slice[netip.Prefix]) bool {
for i := range rr.Len() {
if rr.At(i).Bits() != 0 {
for _, r := range rr.All() {
if r.Bits() != 0 {
return true
}
}