public static IFigures Query(this IFigures figures, Func <IFigure, bool> evaluator)
{
IFigures view = figures.Exposition = (IFigures)figures.FiguresType.New();
view.Add(figures.AsEnumerable().AsQueryable().Where(evaluator));
return(view);
}
/// <summary>
/// The Query.
/// </summary>
/// <param name="stage">The stage<see cref="int"/>.</param>
/// <returns>The <see cref="IFigure[]"/>.</returns>
public IFigure[] Query(int stage = 1)
{
termsReducer.Clear();
termsReducer.Add(Reducer.AsEnumerable().Concat(Terms.AsEnumerable()).ToArray());
expression.Conditions = termsReducer;
termsBuffer = termsReducer;
return(figures.AsEnumerable().AsQueryable().Where(expression.CreateExpression(stage).Compile()).ToArray());
}