Add function to empty a TypedDoublyLinkedList

diff --git a/src/libgpx/typeddoublylinkedlist.php b/src/libgpx/typeddoublylinkedlist.php
index b01ba0b0a8faf4c3ea60f6738a4469a15111cf79..0c00e08c343a8ec7e8a9bf0d88633c4408036050 100644 (file)
--- a/src/libgpx/typeddoublylinkedlist.php
+++ b/src/libgpx/typeddoublylinkedlist.php
@@ -164,4 +164,16 @@ class TypedDoublyLinkedList extends SplDoublyLinkedList
     return parent::unshift($value);
   }
 
+  /**
+   * Empty the list.
+   *
+   * @return void
+   */
+  public function empty()
+  {
+    while (!$this->isEmpty()) {
+      $this->pop();
+    }
+  }
+
 }