Merge pull request kodecocodes#589 from khuong291/master

Update reverse function in LinkedList
IanTaehoonYoo · Aug 25, 2017 · 665b526 · 665b526
2 parents eb7ec32 + aa900e3
commit 665b526
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/Linked List/README.markdown b/Linked List/README.markdown
@@ -451,6 +451,7 @@ How about reversing a list, so that the head becomes the tail and vice versa? Th
 ```swift
   public func reverse() {
     var node = head
+    tail = node // If you had a tail pointer
     while let currentNode = node {
       node = currentNode.next
       swap(&currentNode.next, &currentNode.previous)