example of how to read an array in go

readarray.go

package main
import "fmt"

type row [3]int
type grid [3]row

func main() {
    var g grid
    for _, r := range g {
        for i := 0; i < len( r ); i ++ {
            _, err := fmt.Scan( &r[i] ); if err != nil {
                fmt.Print( err )
            }
            
        }
        fmt.Println( r )
    }
}

Example Use:
$ cat <<EOF | (6g array.go && 6l array.6 && ./6.out)
. 1 2 3
. 4 5 6
. 7 8 9
. EOF
[1 2 3]
[4 5 6]
[7 8 9]