Go exercise for "Slices"

slice_ex.go

package main

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

func Pic(dx, dy int) [][]uint8 {
    // allocate 'dy' row slices of []unit8 
    rows := make([][]uint8, dy)
    for i, row := range rows {
        // allocate 'dx' uint8 points in each row 
        row = make([]uint8, dx)
        for j, _ := range row {
            // place values into each point
            row[j] = uint8(i * j) // try also: (i ^ j) or (i+j)/2
        }
        rows[i] = row
    }
    return rows
}

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