the-way-to-go_ZH_CN/eBook/examples/chapter_7/for_arrays.go

package main
import "fmt"

func main() {
    var arr1 [5]int

    for i:=0; i < len(arr1); i++ {
        arr1[i] = i * 2
    }

    for i:=0; i < len(arr1); i++ {
        fmt.Printf("Array at index %d is %d\n", i, arr1[i])
    }
}