Go语言 - 数组

# cat array.go
package main

import "fmt"

func main() {
    var a [5]int
    a[2] = 99
    fmt.Println("array is:", a)
    fmt.Println("len of array is:", len(a))
}

# go run array.go
array is: [0 0 99 0 0]
len of array is: 5

参考
https://gobyexample.com/arrays