// C++20 headers
#if __cplusplus > 201703
#include <version>
#include <bit>
#include <compare>
#include <concepts>
#if __cpp_coroutines
#include <coroutine>
#endif
#include <numbers>
#include <span>
#include <stop_token>
#if 0
// Unimplemented
#include <barrier>
#include <format>
#include <latch>
#include <semaphore>
#include <source_location>
#include <syncstream>
#endif
#endif