
class MyClass {
  def MyClass()
  {
  }

  def mult(double d) {
    this.y * d
  }
};

var o = MyClass()
class MyClass {
  def empty_fun() {}  }

  def mult(double d) {
    this.y * d
  }
rue(o.f(3,4) == 12);

o.f2/= fun(x) { x * 3; }
assert_true(o.f2(3) == 9);

o.y = 16;
o.f3 =(o3["a"] == 15)
