locator: rule of three

src/entt/locator/locator.hpp

@@ -38,9 +38,19 @@ public:
 
     /*! @brief Default constructor, deleted on purpose. */
     locator() = delete;
+
+    /*! @brief Default copy constructor, deleted on purpose. */
+    locator(const locator &) = delete;
+
     /*! @brief Default destructor, deleted on purpose. */
     ~locator() noexcept = delete;
 
+    /**
+     * @brief Default copy assignment operator, deleted on purpose.
+     * @return This locator.
+     */
+    locator &operator=(const locator &) = delete;
+
     /**
      * @brief Checks whether a service locator contains a value.
      * @return True if the service locator contains a value, false otherwise.