C# (CSharp) IPostageVisitor示例

示例#1

文件： Oven.cs 项目： RenJing/design-pattern

 public double Accept(IPostageVisitor visitor)
 {
     if (!(visitor is IOvenPostageVisitor))
     {
         return 0;
     }
     return ((IOvenPostageVisitor)visitor).Visit(this);
 }

示例#2

 public double Accept(IPostageVisitor visitor)
 {
     if (!(visitor is IFoodPostageVisitor))
     {
         return(0);
     }
     return(((IFoodPostageVisitor)visitor).Visit(this));
 }