fancy_pic.go

package main

import (
	"golang.org/x/tour/pic"
)

func Pic(dx, dy int) [][]uint8 {
	// Create pixels
	pixels := make([][]uint8, dy)

	for x := 0; x < dx; x++ {
		pixels[x] = make([]uint8, dy)

		for y := 0; y < dy; y++ {
			pixels[x][y] = uint8(x ^ y)
		}
	}

	return pixels
}

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