C# (CSharp) UdemyDesignPatternsCourse.DesignPatterns.Behavioral.Visitor AdditionExpresssionの例

コード例 #1

 public void Visit(AdditionExpresssion obj)
 {
     this.sb.Append("(");
     obj.Left.Accept(this);
     this.sb.Append("+");
     obj.Right.Accept(this);
     this.sb.Append(")");
 }

コード例 #2

        public void Run()
        {
            var e = new AdditionExpresssion(
                new DoubleExpresssion(1),
                new AdditionExpresssion(
                    new DoubleExpresssion(2),
                    new DoubleExpresssion(3)
                    ));

            //ClassicVisitor(e);

            var acyclic = new ExpresssionPrinter();

            acyclic.Visit(e);

            Console.WriteLine(acyclic);
        }