Apply go fix modernizations

discovery.go

@@ -2,20 +2,20 @@ package artnet
 
 import (
 	"net"
-	"sort"
+	"slices"
 	"sync"
 	"time"
 )
 
 type Node struct {
-	IP          net.IP
-	Port        uint16
-	MAC         net.HardwareAddr
-	ShortName   string
-	LongName    string
-	Inputs      []Universe
-	Outputs     []Universe
-	LastSeen    time.Time
+	IP        net.IP
+	Port      uint16
+	MAC       net.HardwareAddr
+	ShortName string
+	LongName  string
+	Inputs    []Universe
+	Outputs   []Universe
+	LastSeen  time.Time
 }
 
 type Discovery struct {
@@ -180,16 +180,13 @@ func (d *Discovery) sendPollReplies(dst *net.UDPAddr, universes []Universe, isIn
 	for k := range groups {
 		keys = append(keys, k)
 	}
-	sort.Slice(keys, func(i, j int) bool { return keys[i] < keys[j] })
+	slices.Sort(keys)
 
 	for _, key := range keys {
 		univs := groups[key]
-		sort.Slice(univs, func(i, j int) bool { return univs[i] < univs[j] })
+		slices.Sort(univs)
 		for i := 0; i < len(univs); i += 4 {
-			end := i + 4
-			if end > len(univs) {
-				end = len(univs)
-			}
+			end := min(i+4, len(univs))
 			chunk := univs[i:end]
 			pkt := BuildPollReplyPacket(d.localIP, d.localMAC, d.shortName, d.longName, chunk, isInput)
 			d.receiver.SendTo(pkt, dst)
@@ -204,11 +201,8 @@ func (d *Discovery) GetNodesForUniverse(universe Universe) []*Node {
 
 	var result []*Node
 	for _, node := range d.nodes {
-		for _, u := range node.Outputs {
-			if u == universe {
-				result = append(result, node)
-				break
-			}
+		if slices.Contains(node.Outputs, universe) {
+			result = append(result, node)
 		}
 	}
 	return result
@@ -226,10 +220,5 @@ func (d *Discovery) GetAllNodes() []*Node {
 }
 
 func containsUniverse(slice []Universe, val Universe) bool {
-	for _, v := range slice {
-		if v == val {
-			return true
-		}
-	}
-	return false
+	return slices.Contains(slice, val)
 }