public static bool KeysSetEquals(
this ImmutableHashSet <IKey> validKeys,
ImmutableArray <Key> keyboardState)
{
var validKeysList = validKeys.ToList();
return(validKeysList.Count == keyboardState.Length &&
Enumerable.All(keyboardState, key => validKeysList.PickFirstOrDefault(x => x.IsIncluded(key)) != null));
}
private Tuple<IEnumerable<Cell>, int> GetPointsFromClearing(ImmutableHashSet<Cell> allCells)
{
IEnumerable<Cell> newCells = allCells.ToList();
int addPoints = 0;
foreach (int row in allCells.Select(c => c.Y).Distinct().
Where(row => CheckRowFull(allCells, row)))
{
int rowNumber = row;
newCells = newCells.Where(c => c.Y != rowNumber).ToList();
var shiftCells = newCells.Where(r => r.Y < rowNumber).Select(c => new Cell(c.X, c.Y+1)).ToList();
newCells = newCells.Where(r => r.Y > rowNumber).Union(shiftCells);
addPoints++;
}
return new Tuple<IEnumerable<Cell>, int>(newCells, addPoints);
}
