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golang.md

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  • 输出什么 
    func main() {
    x := [3]int{1, 2, 3}

    func(arr [3]int) {
        arr[0] = 7
        fmt.Println(arr)
    }(x)

    fmt.Println(x)
}
  • 输出什么 
    func main() {
    m := map[string]string{
        "1": "1",
        "2": "2",
        "3": "3",
    }

    for k, v := range m {
        println(k, v)
    }
}