public function flush()
	{
		foreach ($this->stacks['serves'] as $key => $val)
		{
			if (array_key_exists($key, $this->stacks['cooks']))
			{
				$callback = $this->stacks['cooks'][$key];

				if ($callback instanceof Closure)
				{
					$callback($this);
				}
			}
		}
	}