gistfile1.txt

public class IndividualResult<T> {
   public bool WasCalculated { get; set; }
   public T Result { get; set; }
}

public class CalculatesThings {

  private PropertyACalculator<AType> propertyACalculator;
  private PropertyBCalculator<BType> propertyBCalculator;
  private PropertyCCalculator<CType> propertyCCalculator;
  private PropertyDCalculator<DType> propertyDCalculator;

  public CalculatesThings(propertyACalculator, propertyBCalculator, propertyCCalculator, propertyDCalculator) {
      this.propertyACalculator = propertyACalculator;
      this.propertyBCalculator = propertyBCalculator;
      this.propertyCCalculator = propertyCCalculator;
      this.propertyDCalculator = propertyDCalculator;
  }
  
  public CalculationResult GetResult(InputData input, IEnumerable names) {
      return new CalculationResult() {
          PropertyAResult = this.propertyACalculator.Calculate(input, names),
          PropertyBResult = this.propertyBCalculator.Calculate(input, names),
          PropertyCResult = this.propertyCCalculator.Calculate(input, names),
          PropertyDResult = this.propertyDCalculator.Calculate(input, names),
      };
  }
  
}