Function __init_thread

system/lib/libcxx/include/__thread/jthread.h:116–124

  }

private:
  template <class _Fun, class... _Args>
  _LIBCPP_HIDE_FROM_ABI static thread __init_thread(const stop_source& __ss, _Fun&& __fun, _Args&&... __args) {
    if constexpr (is_invocable_v<decay_t<_Fun>, stop_token, decay_t<_Args>...>) {
      return thread(std::forward<_Fun>(__fun), __ss.get_token(), std::forward<_Args>(__args)...);
    } else {
      return thread(std::forward<_Fun>(__fun), std::forward<_Args>(__args)...);
    }
  }

  stop_source __stop_source_;
  thread __thread_;