Function query

include/exec/thread_pool_base.hpp:483–488

      auto operator==(scheduler const &) const -> bool = default;

      [[nodiscard]]
      constexpr auto query(STDEXEC::get_forward_progress_guarantee_t) const noexcept
        -> STDEXEC::forward_progress_guarantee
      {
        return pool_->forward_progress_guarantee();
      }

      template <STDEXEC::__one_of<STDEXEC::set_value_t, STDEXEC::set_stopped_t> Tag>
      [[nodiscard]]