public void Visit(JoinShapes joinShapes)
{
sb.AppendLine("<figuras>");
joinShapes.Left.Accept(this);
joinShapes.Right.Accept(this);
sb.AppendLine("</figuras>");
}
static void Main(string[] args)
{
var shapes = new JoinShapes(
left: new Circle(3),
right: new Square(10));
var sb = new StringBuilder();
var print = new ShapePrint();
print.Visit(shapes);
Console.WriteLine(print.ToString());
}
