From 2653e7aab324809de23acdc10066f8101c82996d Mon Sep 17 00:00:00 2001
From: Christoph Maser <christoph.maser+github@gmail.com>
Date: Thu, 15 Aug 2019 15:05:34 +0200
Subject: [PATCH] define constants outside of loop

---
 arp.go | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/arp.go b/arp.go
index f3cd8cf3b..916c9182a 100644
--- a/arp.go
+++ b/arp.go
@@ -46,12 +46,13 @@ func parseARPEntries(data []byte) ([]ARPEntry, error) {
 	lines := strings.Split(string(data), "\n")
 	entries := make([]ARPEntry, 0)
 	var err error
-
+	const (
+		expectedDataWidth   = 6
+		expectedHeaderWidth = 9
+	)
 	for _, line := range lines {
 		columns := strings.Fields(line)
 		width := len(columns)
-		expectedDataWidth := 6
-		expectedHeaderWidth := 9
 
 		if width == expectedHeaderWidth || width == 0 {
 			continue