Go 入坑 @1 switch-case

喝醉酒的小白

于 2023-12-21 23:10:27 发布

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文章标签： golang 开发语言后端

本文链接：https://blog.youkuaiyun.com/hezuijiudexiaobai/article/details/135142441

// chapter3/sources/evaluation_order_7.go

func Expr(n int) int {
    fmt.Println(n)
    return n
}

func main() {
    switch Expr(2) {
        case Expr(1), Expr(2), Expr(3):
            fmt.Println("enter into case1")
            fallthrough
        case Expr(4):
            fmt.Println("enter into case2")
   }
}

$go run evaluation_order_7.go
2
1
2
enter into case1
enter into case2

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