golang to calc pic.

gistfile1.txt

package main

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

func Pic(dx, dy int) [][]uint8 {
     // Initial zero.
     s := make([][]uint8, 0)
     for i:=0;i<dy;i++ {
     	 v := make([]uint8, dx)
	 for j:=0;j<dx;j++ {
	     r := rand.Uint32()
	     v = append(v, uint8(r))
	 }
	 s = append(s, v)
     }

     return s
}

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