https://blog.wongcw.com/2022/09/14/swift%e5%92%8csymbiont%e5%85%b1%e5%90%8c%e5%ae%a3%e5%b8%83%e4%bc%81%e6%a5%ad%e6%95%b8%e6%93%9a%e5%8d%80%e5%a1%8a%e9%8f%88%e9%80%9a%e4%bf%a1%e8%a9%a6%e9%bb%9e%e9%a0%85%e7%9b%ae/