private bool RecordTechnique(
List <TechniqueInfo> steps, TechniqueInfo step, IReadOnlyGrid grid,
Grid cloneation, Stopwatch stopwatch, IBag <IReadOnlyGrid> stepGrids,
[NotNullWhen(true)] out AnalysisResult?result)
{
bool needAdd = false;
foreach (var(t, c, d) in step.Conclusions)
{
switch (t)
{
case Assignment when cloneation.GetStatus(c) == CellStatus.Empty:
case Elimination when cloneation.Exists(c, d) is true:
{
needAdd = true;
goto Label_Determine;
}
}
}
Label_Determine:
if (needAdd)
{
stepGrids.Add(cloneation.Clone());
step.ApplyTo(cloneation);
steps.Add(step);
if (cloneation.HasSolved)
{
result = new AnalysisResult(
puzzle: grid,
solverName: SolverName,
hasSolved: true,
solution: cloneation,
elapsedTime: stopwatch.Elapsed,
solvingList: steps,
additional: null,
stepGrids);
return(true);
}
}
result = null;
return(false);
}
/// <summary>
/// To record the current technique step.
/// </summary>
/// <param name="steps">The steps have been found.</param>
/// <param name="step">The current step.</param>
/// <param name="cloneation">The cloneation of the grid.</param>
/// <returns>A <see cref="bool"/> value.</returns>
private bool RecordTechnique(ICollection <TechniqueInfo> steps, TechniqueInfo step, Grid cloneation)
{
foreach (var conclusion in step.Conclusions)
{
switch (conclusion.ConclusionType)
{
case Assignment when cloneation.GetStatus(conclusion.CellOffset) == Empty:
case Elimination when cloneation.Exists(conclusion.CellOffset, conclusion.Digit) is true:
{
step.ApplyTo(cloneation);
steps.Add(step);
return(cloneation.HasSolved);
}
}
}
return(false);
}