public static void Main()
{
var e = new AdditionExpression(
left: new DoubleExpression(1),
right: new AdditionExpression(
left: new DoubleExpression(2),
right: new DoubleExpression(3)));
var sb = new StringBuilder();
e.Print2(sb); // extension method goodness!
WriteLine(sb);
}
public static void Main()
{
var e = new AdditionExpression(
left: new DoubleExpression(1),
right: new AdditionExpression(
left: new DoubleExpression(2),
right: new DoubleExpression(3)));
var sb = new StringBuilder();
ExpressionPrinter.Print2(e, sb);
WriteLine(sb);
}