大家帮忙看看!
(https://static.studygolang.com/190625/5fcd11122b604b806ccbd0e01e6e1f26.jpg)
![77777.jpg](https://static.studygolang.com/190625/5fcd11122b604b806ccbd0e01e6e1f26.jpg)
[Go 编程语言规范中有这么一句话:](https://golang.org/ref/spec#Type_identity) A defined type is always different from any other type.
具体比较规则请看链接后的内容.
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