private StandardHeuristic(
StandardHeuristic existing,
IReadOnlyPuzzleWithMutablePossibleValues?puzzle,
ReadOnlySpan <IRule> rules)
{
_rowHeuristic = (UniqueInRowHeuristic)existing._rowHeuristic.CopyWithNewReferences(
puzzle, rules);
_columnHeuristic = (UniqueInColumnHeuristic)existing._columnHeuristic
.CopyWithNewReferences(puzzle, rules);
_boxHeuristic = (UniqueInBoxHeuristic)existing._boxHeuristic.CopyWithNewReferences(
puzzle, rules);
_numHeuristicsRan = new Stack <int>(existing._numHeuristicsRan);
}
private StandardHeuristic(
StandardHeuristic existing,
IReadOnlyPuzzle puzzle,
PossibleValues possibleValues,
IReadOnlyList <ISudokuRule> rules)
{
_rowHeuristic = (UniqueInRowHeuristic)existing._rowHeuristic.CopyWithNewReferences(
puzzle, possibleValues, rules);
_columnHeuristic = (UniqueInColumnHeuristic)existing._columnHeuristic
.CopyWithNewReferences(puzzle, possibleValues, rules);
_boxHeuristic = (UniqueInBoxHeuristic)existing._boxHeuristic.CopyWithNewReferences(
puzzle, possibleValues, rules);
_numHeuristicsRan = new Stack <int>(existing._numHeuristicsRan);
}
