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package main

import (
    "fmt"

)

func main() {
    //创建
    at:=[6]int{}
   
    //下标赋值
    ap:=[5]int{3:2}//下标3的值赋值为2
    fmt.Println("ap[3]:", ap[3])
   
    //遍历1
    as := [3]int{1, 2, 3}
    for i, p := range as {
        fmt.Println(i, "---", p)
        at[i] = as[i]
        fmt.Println(i, "---", at[i])
    }
   
    //遍历2
    le:=len(as)
    for i:=0;i<le;i++{
        fmt.Println(as[i])
    }
   
    //指针数组
    av := [3]int{1, 2, 3}
    var pa [3]*int
    for i, p := range av {
        fmt.Println(i, "---", p)
        pa[i] = &av[i] //pa[i]为地址
        fmt.Println(i, "---", *(pa[i]))
        fmt.Println(i, "---", pa[i])
    }
   
    //数组指针
    var pa2 *[3]int
    pa2 = &as
    fmt.Println(*pa2)
   
    fmt.Println(cap(*pa2))
}

结果

ap[3]: 2

0 --- 1

0 --- 1

1 --- 2

1 --- 2

2 --- 3

2 --- 3

1

2

3

0 --- 1

0 --- 1

0 --- 0xc00011e160

1 --- 2

1 --- 2

1 --- 0xc00011e168

2 --- 3

2 --- 3

2 --- 0xc00011e170

[1 2 3]

3