From 5105898aa7e2ed4c770ec58434c00f4b76539580 Mon Sep 17 00:00:00 2001
From: seIncorp <34153549+seIncorp@users.noreply.github.com>
Date: Mon, 30 Jul 2018 14:33:17 +0200
Subject: [PATCH] Twice defined (#124)

* Twice defined

Parameter 'deletedTail' were defined twice.

* Update LinkedList.js

* Update LinkedList.js
---
 src/data-structures/linked-list/LinkedList.js | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/data-structures/linked-list/LinkedList.js b/src/data-structures/linked-list/LinkedList.js
index 0176b6bf..4d6b9e26 100644
--- a/src/data-structures/linked-list/LinkedList.js
+++ b/src/data-structures/linked-list/LinkedList.js
@@ -127,18 +127,14 @@ export default class LinkedList {
    * @return {LinkedListNode}
    */
   deleteTail() {
+    const deletedTail = this.tail;
     if (this.head === this.tail) {
       // There is only one node in linked list.
-      const deletedTail = this.tail;
       this.head = null;
       this.tail = null;
 
       return deletedTail;
     }
-
-    // If there are many nodes in linked list...
-    const deletedTail = this.tail;
-
     // Rewind to the last node and delete "next" link for the node before the last one.
     let currentNode = this.head;
     while (currentNode.next) {