package main

import (

    "fmt"

)

func main() {

    fmt.Println("-------------")

    data := []int{,,,,,,,}

    s1 := data[:]//

    s2 := data[:]//

    fmt.Println(s1)

    fmt.Println(s2)

    copy(s2,s1)//目标切片，源切片，对应位置拷贝

    fmt.Println(s2)//[2 3 3]

}

/*

-------------

[2 3]

[1 2 3]

[2 3 3]

 */

package main

import (

    "fmt"

)

func remove(data []int, idx int) []int {

    copy(data[idx:], data[idx+:])//目标地址，源地址

    return data[:len(data)-]

}

func main()  {

    data := []int{, , , , }  // {5, 6, 8, 9, 9}

    fmt.Println(data[:])

    afterData := remove(data, )

    fmt.Println("afterData:", afterData)

}

/*

[8 9]

afterData: [5 6 8 9]

 */