Solution to the slices exercise in Go

slices.go

package main

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

func Pic(dx, dy int) [][]uint8 {
    y := make([][]uint8, dy)
    for i := range y {
    	y[i] = make([]uint8, dx)
    }
    y = transform(y)
    return y
}

func transform(y [][]uint8) [][]uint8 {
    for i := range y {
        for j := range y[i] {
        	y[i][j] = uint8(i + j)
        }
    }
    return y
}

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