public Cell CreateCell (int col, int row)
{
var cell = new Cell (this, col, row);
Attach (cell);
return cell;
}
public void Attach (Cell cell)
{
long k = MakeKey (cell);
cells [k] = cell;
}
static long MakeKey (Cell cell)
{
return (cell.Col << 32) | cell.Row;
}
