class LispWriter {

    public void writeForm(List<Cons> list) {
        output.print("(");
        for (int i = 0; i < list.size(); i++) {
            if (i > 0) {
                output.print(" ");
            }
            writeUnknown(list.get(i));
        }
        output.print(")");
    }

    public  LispWriter(PrintWriter dest);

}