QLNet.YoYInflationCoupon.yoyIndex C# (CSharp) Метод

        public YoYInflationIndex yoyIndex()
        {
            return yoyIndex_;
        }

    // we may watch an underlying coupon ...
    public CappedFlooredYoYInflationCoupon(YoYInflationCoupon underlying,
                                           double? cap = null,
                                           double? floor = null)
       :base(underlying.date(),
             underlying.nominal(),
             underlying.accrualStartDate(),
             underlying.accrualEndDate(),
             underlying.fixingDays(),
             underlying.yoyIndex(),
             underlying.observationLag(),
             underlying.dayCounter(),
             underlying.gearing(),
             underlying.spread(),
             underlying.refPeriodStart,
             underlying.refPeriodEnd)
 
    {
       underlying_ = underlying;
       isFloored_ = false;
       isCapped_ = false;
       setCommon(cap, floor);
       underlying.registerWith(update);
    }