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为什么 Go 语言的 Error Handling 被某些人认为是一个败笔？_江西省抚州市宜黄县富潮乎光学合伙企业

为什么 Go 语言的 Error Handling 被某些人认为是一个败笔？

作者：admin发表时间：2025-06-24 12:15:14浏览量：次【小中大】

因为go的错误处理怎么看都毫无意义从类型论角度来说一个r

因为go的错误处理怎么看都毫无意义从类型论角度来说一个result和err的tuple是个product type，但两个只有可能有一个是合理的对于这种情况如果要用类型来模拟错误的话最合理的是像rust这样定义一个 sum type，这样安全的很多从软件工程角度一般代码可以在顶层套一层捕获碰到一个error直接抛出被接住中断procedure 而且多层嵌套也有traceback stack清晰标出调用关系但go这种防御式编程直接把error当一个变量了所以你学要手…。