2022-06-30: what does the following golang code output? A：0； B：2； C: Running error. package main import “fmt“ func main()

2022-06-30： following golang What does the code output ？A：0;B：2;C： Running error .

package main

import "fmt"

func main() {
    ints := make([]int, 1)
    ints = append(ints, 2)
    fmt.Println(ints[0])
}

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answer 2022-06-30：

Answer selection A. Be careful ints := make([]int, 1) Create a length of 1 Of slice, The first element is int The default value of .

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