CS153/hw5/hw5programs/tc_correct_struct_fptr.oat

struct S {
  int s;
  int t;
  (int, int) -> int f
}

int add(int x, int y) { return x + y; }

int program(int argc, string[] argv) {
  var x = new S { s = 3; t = 4; f = add };
  return x.f(x.s, x.t);
}