public CellRepository()
{
_cells = new Dictionary<CellId, Cell>();
foreach(var niner in Enumerable.Range(0, 9))
{
foreach (var withinNiner in Enumerable.Range(0, 9))
{
var cellId = new CellId(niner, withinNiner);
_cells.Add(cellId, new Cell(cellId));
}
}
}
public Cell(CellId id)
{
_id = id;
_potentials = new HashSet<int>();
}
