From 15d9ef481b13c40ef7b56f17635b47605839ec53 Mon Sep 17 00:00:00 2001
From: Kristoffer Dalby <kristoffer@tailscale.com>
Date: Fri, 2 May 2025 16:29:44 +0200
Subject: [PATCH] policy/matcher: slices.ContainsFunc

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
---
 hscontrol/policy/matcher/matcher.go | 18 ++++--------------
 1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/hscontrol/policy/matcher/matcher.go b/hscontrol/policy/matcher/matcher.go
index 1d4f09d2..ef29b171 100644
--- a/hscontrol/policy/matcher/matcher.go
+++ b/hscontrol/policy/matcher/matcher.go
@@ -3,6 +3,8 @@ package matcher
 import (
 	"net/netip"
 
+	"slices"
+
 	"github.com/juanfont/headscale/hscontrol/util"
 	"go4.org/netipx"
 	"tailscale.com/tailcfg"
@@ -58,23 +60,11 @@ func MatchFromStrings(sources, destinations []string) Match {
 }
 
 func (m *Match) SrcsContainsIPs(ips ...netip.Addr) bool {
-	for _, ip := range ips {
-		if m.srcs.Contains(ip) {
-			return true
-		}
-	}
-
-	return false
+	return slices.ContainsFunc(ips, m.srcs.Contains)
 }
 
 func (m *Match) DestsContainsIP(ips ...netip.Addr) bool {
-	for _, ip := range ips {
-		if m.dests.Contains(ip) {
-			return true
-		}
-	}
-
-	return false
+	return slices.ContainsFunc(ips, m.dests.Contains)
 }
 
 func (m *Match) SrcsOverlapsPrefixes(prefixes ...netip.Prefix) bool {