From 0cf5f201a73bf4cafa36b3ee4e5ed336d1718488 Mon Sep 17 00:00:00 2001
From: Sidney Pham <sidneypham1@gmail.com>
Date: Wed, 18 Oct 2017 00:30:26 +1100
Subject: [PATCH] Vital updates to reverse-math logic

---
 index.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/index.js b/index.js
index e829f59..4c74630 100644
--- a/index.js
+++ b/index.js
@@ -1,7 +1,7 @@
-var Union = (function () {
+const Union = (function () {
 
 function Union(kinds) {
-  var self = this;
+  const self = this;
   kinds.forEach(function (kind) {
     self[kind] = function () {
       return new Instance(kind, Array.from(arguments));