avoid type errors

schmittjoh · Mar 21, 2022 · 56d18c8 · 56d18c8
1 parent 4bf7f27
commit 56d18c8
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Showing 3 changed files with 5 additions and 5 deletions.
diff --git a/src/PhpCollection/AbstractMap.php b/src/PhpCollection/AbstractMap.php
@@ -294,7 +294,7 @@ public function count()
 
     public function getIterator()
     {
-        return new \ArrayIterator($this->elements);
+        return new \ArrayIterator($this->elements ?: []);
     }
 
     protected function createNew(array $elements)

diff --git a/src/PhpCollection/AbstractSequence.php b/src/PhpCollection/AbstractSequence.php
@@ -355,11 +355,11 @@ public function count()
 
     public function getIterator()
     {
-        return new \ArrayIterator($this->elements);
+        return new \ArrayIterator($this->elements ?: []);
     }
 
     protected function createNew(array $elements)
     {
         return new static($elements);
     }
-}
+}
diff --git a/src/PhpCollection/Set.php b/src/PhpCollection/Set.php
@@ -52,7 +52,7 @@ public function last()
 
     public function getIterator()
     {
-        return new \ArrayIterator(array_values($this->elements));
+        return new \ArrayIterator(array_values($this->elements ?: []));
     }
 
     public function addSet(SetInterface $set)
@@ -446,4 +446,4 @@ private function insertElement($elem, $hash)
         $this->elements[$index] = $elem;
         $this->lookup[$hash][] = $index;
     }
-}
+}