Hm.cpp

int main() {
  
// ....

  vkmol::Engine Engine(
      "VkMOL Demo", VK_MAKE_VERSION(1, 0, 0), 
      RequiredExtensions,
      ValidationLayers, 
      [&](const vk::Instance &Instance) {
        VkSurfaceKHR Surf;
        auto Result = glfwCreateWindowSurface(Instance, Window, nullptr, &Surf);
        return vkmol::SurfaceFactoryResult(vk::Result(Result), Surf);
      });
  
}