Merge pull request DesignPatternsPHP#496 from yariks0n/compatible_with_iterator

BorislavSabev · web-flow · commit 5e323dbd92d8 · 2023-05-04T11:26:53.000+03:00
[f] compatible with Iterator
diff --git a/Behavioral/Iterator/BookList.php b/Behavioral/Iterator/BookList.php
@@ -46,12 +46,12 @@ public function key(): int
         return $this->currentIndex;
     }
 
-    public function next()
+    public function next(): void
     {
         $this->currentIndex++;
     }
 
-    public function rewind()
+    public function rewind(): void
     {
         $this->currentIndex = 0;
     }
