rlox/interpreter/tests/lox/super/closure.lox

class Base {
  toString() { return "Base"; }
}

class Derived < Base {
  getClosure() {
    fun closure() {
      return super.toString();
    }
    return closure;
  }

  toString() { return "Derived"; }
}

var closure = Derived().getClosure();
print closure(); // expect: Base