private KeyValuePair <SudokuCell, List <int> > GetPairByKeyType(SudokuCell key)
{
KeyValuePair <SudokuCell, List <int> > pair = discardedCellValues.Where(u => u.GetType() == key.GetType()).FirstOrDefault();
if (pair.Key == null)
{
throw new KeyNotFoundException();
}
else
{
return(pair);
}
}
public bool ContainsKey(SudokuCell key)
{
KeyValuePair <SudokuCell, List <int> > pair = discardedCellValues.Where(u => u.Key.GetType() == key.GetType()).FirstOrDefault();
if (pair.Key == null)
{
return(false);
}
else
{
return(true);
}
}