{
  val x = alloc(1);

  if (*x == 1) {
    print("x is one");
    println()
  };

  while (*x < 10) {
    print(*x);
    println();
    x = *x + 1
  };

  if (not (*x == 10)) {
     print("x is not ten");
     println()
  } else {
    print("x is ten");
    println()
  };

  free(x);
  return 1;
}

{
  val x = alloc(1);

  function g(f : fun(int,int)) {
    print("");
    return f(*x + 3);
  }

  while (*x < 10) {
    print(g(function (y: int) { print(""); return y+1; }));
    println();
    x = *x + 1
  };

  free(x);
  return 1;

}

{
  val x = {
    a : 1,
    b: {
      as: [
        { n: "0", v: 0 },
        { n: "1", v: 1 },
        { n: "2", v: 2 }
      ],
      bs: [1,2,3,4]
    }
  };

  for (v : x.b.bs) {
    print(x.b.as[0].v + v);
    println();
    return 1;
  };

  return 1;
}

{
  val x = {
    a : 1,
    b: {
      as: [
        { n: "0", v: 0 },
        { n: "1", v: 1 },
        { n: "2", v: 2 }
      ],
      bs: [1,2,3,4]
    }
  };

  for (u : x.b.as, u.v > 0) {
    print(u.n);
    println();
    return 1;
  };

  return 1;
}