internal type hints added

dakujem · Jan 29, 2024 · 94d0dd0 · 94d0dd0
1 parent def12b6
commit 94d0dd0
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/Iterator/PostOrderTraversal.php b/src/Iterator/PostOrderTraversal.php
@@ -37,7 +37,7 @@ public function getIterator(): Generator
         );
     }
 
-    private function generate(TreeNodeContract $node, array $vector, int $nodeSeq, Counter $counter)
+    private function generate(TreeNodeContract $node, array $vector, int $nodeSeq, Counter $counter): Generator
     {
         // $seq is the child sequence number, within the given parent node.
         $seq = 0;

diff --git a/src/Iterator/PreOrderTraversal.php b/src/Iterator/PreOrderTraversal.php
@@ -37,7 +37,7 @@ public function getIterator(): Generator
         );
     }
 
-    private function generate(TreeNodeContract $node, array $vector, int $nodeSeq, Counter $counter)
+    private function generate(TreeNodeContract $node, array $vector, int $nodeSeq, Counter $counter): Generator
     {
         // The yielded key is calculated by the key function.
         // By default, it returns an incrementing sequence to prevent issues with `iterator_to_array` casts.