#include <string>
#include "token.h"
#include "node.h"
#include "hashtable.h"
#include "lexan.h"
#include "world.h"

void main()
{ world W;
  W.setvar("cat", 3);
  W.setvar("x", 99);

  node * t = W.parse_expression();
  cout << "\n";
  t->print1();
  cout << "\n";
  t->print();
  cout << "\n\n";

  cout << "value = " << W.evaluate(t) << "\n"; }