Single person page + reihen list

helpers/functions/slices.go

@@ -3,3 +3,12 @@ package functions
 func Length(arr []any) int {
 	return len(arr)
 }
+
+func Contains(arr []string, val string) bool {
+	for _, v := range arr {
+		if v == val {
+			return true
+		}
+	}
+	return false
+}