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Twice defined (#124)

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* Twice defined

Parameter 'deletedTail' were defined twice.

* Update LinkedList.js

* Update LinkedList.js
This commit is contained in:
seIncorp 2018-07-30 14:33:17 +02:00 committed by Oleksii Trekhleb
parent 6e897a0a7a
commit 5105898aa7
1 changed files with 1 additions and 5 deletions
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6
src/data-structures/linked-list/LinkedList.js
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@ -127,18 +127,14 @@ export default class LinkedList {
* @return {LinkedListNode} * @return {LinkedListNode}
*/ */
deleteTail() { deleteTail() {
const deletedTail = this.tail;
if (this.head === this.tail) { if (this.head === this.tail) {
// There is only one node in linked list. // There is only one node in linked list.
const deletedTail = this.tail;
this.head = null; this.head = null;
this.tail = null; this.tail = null;
return deletedTail; 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. // Rewind to the last node and delete "next" link for the node before the last one.
let currentNode = this.head; let currentNode = this.head;
while (currentNode.next) { while (currentNode.next) {