fn main() {
let swaps = [vk::SwapchainKHR::NULL];
let indices = [0_u32];
let mut results = [vk::Result::NOT_READY];
let info = vk::PresentInfoKHR::default().set_swapchains(&swaps, &indices, Some(&mut results)).unwrap();
let _ = std::hint::black_box(&results);
std::hint::black_box(info);
}