@@ -58,7 +58,6 @@ discard block |
||
58 | 58 | /** |
59 | 59 | * Add a new node in the specified index. |
60 | 60 | * |
61 | - * @param integer $index the position. |
|
62 | 61 | * @param mixed $data the data to be stored. |
63 | 62 | */ |
64 | 63 | protected function insertEnd($data) { |
@@ -103,7 +102,7 @@ discard block |
||
103 | 102 | /** |
104 | 103 | * Returns the last node with O(1). |
105 | 104 | * |
106 | - * @return mixed null if the list is empty. |
|
105 | + * @return null|SimpleLinkedListNode null if the list is empty. |
|
107 | 106 | */ |
108 | 107 | protected function searchLast() { |
109 | 108 | if($this->head === null) { |
@@ -269,7 +268,7 @@ discard block |
||
269 | 268 | /** |
270 | 269 | * Generator for retrieve all nodes stored. |
271 | 270 | * |
272 | - * @return null if the head is null (or list is empty) |
|
271 | + * @return \Generator if the head is null (or list is empty) |
|
273 | 272 | */ |
274 | 273 | public function getAll() { |
275 | 274 | if($this->head === null) { |