Function error_code_remapper

examples/example-asio/example-asio.cpp:47–59

using namespace std::chrono_literals;

inline auto error_code_remapper() {
  return [](auto&& promise, asio::error_code e, auto&&... args) {
    if (e) {
#if defined(CONTINUABLE_HAS_EXCEPTIONS)
      promise.set_exception(std::make_exception_ptr(e));
#else
      promise.set_exception(cti::exception_t(e.value(), e.category()));
#endif
    } else {
      promise.set_value(std::forward<decltype(args)>(args)...);
    }
  };
}

struct functional_io_service {
  asio::io_context service_;