[newbie] simple(?) data structures

[Roland Illig <roland.illig@gmx.de>]

Hi,

I'm doing my first steps with Ada. I tried to model a Go board and 
failed. In Java/C++, I would do it like this:

enum Stone { Empty, Black, White };

class Go_Board {
     private Stone[][] data;

     public Go_Board(int size) {
         data = new Stone[size][size];
     }
     public int getWidth() {
         return data[0].length;
     }
     public int getHeight() {
         return data.length;
     }
     public Stone getStone(int x, int y) {
         return data[y][x];
     }
}
/* EOF */

How can I do this in Ada? I already tried something with packages and 
generics, but that did not look nice. But I want it to look nice and Adaish.

Roland