code: public function callInstance($instance, $args = [])
      {
          $args = (is_array($args) ? $args : array_slice(func_get_args(), 1));
          
          $current = $this->make($instance);
  
          return call_user_func_array($current, $args);
      }
docs: Call defined instance.
  
  @param string $instance The class name to invoke/call.
  @param array $args The class name __invoke method argument.
  @return mixed|void