A Tour of Go, Exercise: Slices https://go-tour-jp.appspot.com/moretypes/18

main.go

package main

import "code.google.com/p/go-tour/pic"

func Pic(dx, dy int) [][]uint8 {

    pic := make([][]uint8, dy)

    for y := range pic {
        pic[y] = make([]uint8, dx)
        for x := range pic[y] {
            //pic[y][x] = uint8( (x+y)/2 )
            //pic[y][x] = uint8( x*y )
            //pic[y][x] = uint8( x^y )
			      //pic[y][x] = uint8( ((x^y) * (x^y)))
			      pic[y][x] = uint8( ((x*y) + (x*y))/(x^y + 1))
        }
    }

    return pic
}

func main() {
	pic.Show(Pic)
}