Various implementatations

Runtime/rstl.hpp

@@ -3,10 +3,14 @@
 
 #include <vector>
 #include <stdlib.h>
+#include "optional.hpp"
 
 namespace rstl
 {
 
+template <typename T>
+using optional_object = std::experimental::optional<T>;
+
 /**
  * @brief Vector reserved on construction
  */