From 36e0bfeb324290f4c61923067cb27255c01af224 Mon Sep 17 00:00:00 2001
From: m-maksyutin <m.maksyutin@gmail.com>
Date: Wed, 27 Jun 2018 16:22:54 +0300
Subject: [PATCH] Fix the value returned by DisjointSet union (#81)

* Fix LinkedList

* Fix the prepend method for the LinkedList

* Fix the remove method for the MinHeap

* Correct a comment

* Fix BST removal method

* Fix the findEdge method of the graph

* Fix the value returned by DisjointSet union
---
 src/data-structures/disjoint-set/DisjointSet.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/data-structures/disjoint-set/DisjointSet.js b/src/data-structures/disjoint-set/DisjointSet.js
index 2952f0a1..2fe3c25c 100644
--- a/src/data-structures/disjoint-set/DisjointSet.js
+++ b/src/data-structures/disjoint-set/DisjointSet.js
@@ -70,7 +70,7 @@ export default class DisjointSet {
       // If rootB's tree is bigger then make rootB to be a new root.
       rootB.addChild(rootA);
 
-      return rootB.getKey();
+      return this;
     }
 
     // If rootA's tree is bigger then make rootA to be a new root.