http://go-tour-jp.appspot.com/#36

answer_exercise_gotour_36.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)
        }
    }
    return pic
}

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