CS153/hw5/hw5programs/tc_func_ret_err.oat

struct A {
  int x
}

struct B {
  int x;
  int y
}

A f() {
  return new A {x = 3};
}

B g() {
  return new B {x = 3; y = 4};
}

int l() {
  var x = g;
  x = f;
  return 3;
}