public MutablePuzzle AsMutable()
{
var newCells = new IndexablePosition[_cells.Length];
Array.Copy(_cells, newCells, _cells.Length);
return(new MutablePuzzle(newCells));
}
public static Puzzle FromString(string puzzle)
{
var positions = new IndexablePosition[LineLength * LineLength];
for (var i = 0; i < positions.Length; i++)
{
var value = SudokuValues.FromCharacter(puzzle[i]);
var coord = new Coordinate(RegionType.Row, i);
positions[coord.GlobalRowIndex] = positions[coord.GlobalRowIndex].SetRowValue(value);
positions[coord.GlobalColumnIndex] = positions[coord.GlobalColumnIndex].SetColumnValue(value);
positions[coord.GlobalBoxIndex] = positions[coord.GlobalBoxIndex].SetBoxValue(value);
}
return(new Puzzle(positions));
}
