C# (CSharp) IDiscountCardTypeの例

コード例 #1

 public double TotalPriceWithDiscount(IDiscountCardType cardType, double purchasePrice, double turnover)
 {
     return(purchasePrice - TotalDiscount(cardType, purchasePrice, turnover));
 }

コード例 #2

 public double DiscountRateInPercentage(IDiscountCardType cardType, double turnover)
 {
     return(100 * cardType.DiscountRate(turnover));
 }

コード例 #3

 public double TotalDiscount(IDiscountCardType cardType, double purchasePrice, double turnover)
 {
     return(purchasePrice * cardType.DiscountRate(turnover));
 }