One way of copying between arrays of different sizes, in #golang (i.e., Go). Is this the most efficient way of doing it?

array_copy_example.go

package main


import "fmt"


func main() {

    var a [9]uint8

    fmt.Printf("a = %v\n", a)



    b := [3]uint8{1, 2, 3}

    copy( a[0:3] , b[0:3] )

    fmt.Printf("a = %v\n", a)



    c := [3]uint8{4, 5, 6}

    copy( a[3:6] , c[0:3] )

    fmt.Printf("a = %v\n", a)



    d := [3]uint8{7, 8, 9}

    copy( a[6:9] , d[0:3] )

    fmt.Printf("a = %v\n", a)
}