From 1afd8687e36f3b82072b322c2d7aac375bfdb704 Mon Sep 17 00:00:00 2001
From: boombuler <boombuler@gmail.com>
Date: Sat, 3 Jun 2017 14:08:06 +0200
Subject: [PATCH] code cleanup.

no need for a second copy of the data.
---
 code93/encoder.go | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/code93/encoder.go b/code93/encoder.go
index 78613a5..43b7243 100644
--- a/code93/encoder.go
+++ b/code93/encoder.go
@@ -68,20 +68,13 @@ func Encode(content string) (barcode.Barcode, error) {
 	return utils.New1DCode("Code 93", content, result), nil
 }
 
-func reverse(value string) string {
-	data := []rune(value)
-	result := []rune{}
-	for i := len(data) - 1; i >= 0; i-- {
-		result = append(result, data[i])
-	}
-	return string(result)
-}
-
 func getChecksum(content string, maxWeight int) rune {
 	weight := 1
 	total := 0
 
-	for _, r := range reverse(content) {
+	data := []rune(content)
+	for i := len(data) - 1; i >= 0; i-- {
+		r := data[i]
 		info, ok := encodeTable[r]
 		if !ok {
 			return ' '