Method MatchAndExplain

cpp/src/arrow/testing/matchers.h:151–158

      }

      bool MatchAndExplain(const Fut& fut,
                           testing::MatchResultListener* listener) const override {
        if (!fut.Wait(wait_seconds_)) {
          *listener << "which didn't finish within " << wait_seconds_ << " seconds";
          return false;
        }
        return result_matcher_.MatchAndExplain(fut.result(), listener);
      }

      const testing::Matcher<Result<ValueType>> result_matcher_;
      const double wait_seconds_;