static void Main(string[] args)
{
var printer = new ExpressionPrinter();
var expression = new MultiplicationExpression(
new Value(5),
new AdditionExpression(
new Value(2),
new Value(3)));
printer.Visit(expression);
Console.WriteLine(printer.ToString()); //5*(2+3)
}
public override void Visit(MultiplicationExpression multiplicationExpresion)
{
multiplicationExpresion.LHS.Accept(this);
_sb.Append("*");
multiplicationExpresion.RHS.Accept(this);
}