From b0679fafdeb4c6909b5c16b2698fb78a6902bfa2 Mon Sep 17 00:00:00 2001
From: Kent Louise Tonino <tonino.kentlouise@gmail.com>
Date: Wed, 8 May 2024 19:38:58 +0800
Subject: [PATCH] Fix Binary to Hexadecimal Does Not Support Zeroes Only Issue

---
 src/services/binary/get_binary_to_hexadecimal.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/services/binary/get_binary_to_hexadecimal.go b/src/services/binary/get_binary_to_hexadecimal.go
index 75a31e8..ee0d11f 100644
--- a/src/services/binary/get_binary_to_hexadecimal.go
+++ b/src/services/binary/get_binary_to_hexadecimal.go
@@ -1,14 +1,19 @@
 package binary
 
-import "strconv"
+import (
+	"strconv"
+)
 
-// Converts binary number to hexadecial.
 func getBinaryToHexadecimal(binary int64) string {
 	hexadecimal := ""
 	reversedBinaryArray := getReversedBinaryArray(binary)
 	arrayOfHexadecimal := []int64{}
 	groupSum := int64(0)
 
+	if binary == 0 {
+		return "0"
+	}
+
 	for i := 0; i < len(reversedBinaryArray); i++ {
 		numWeight := i % 4
 		isLastIndex := i == (len(reversedBinaryArray) - 1)