To see how tedious error handling can be, just look at this very thorough summary:
https://seankhliao.com/blog/12020-11-23-go-error-handling-proposals/
错误处理有多无聊 看看这个非常相近的总结就知道了
https://seankhliao.com/blog/12020-11-23-go-error-handling-proposals/
idea想法