A Tour of Go - Slices Exercise Answer

pic.go

package main

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

func Pic(dx, dy int) [][]uint8 {
	s_out := make ([][]uint8, dy)
	for index1 := range s_out {
		s_in := make ([]uint8, dx)
		for index2 := range s_in {
			s_in[index2] = uint8 (index1 ^ index2)
		}
		s_out[index1] = s_in
	}
	return s_out
}

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