async fn do_range_test<D, R, I>(ds: &D, range: R, expected_indices: I)where
D: TestableDataSource,
R: RangeBounds<usize> + Clone + Debug + Send + 'static,
I: IntoIterator<Item = u64>,async fn do_range_test<D, R, I>(ds: &D, range: R, expected_indices: I)where
D: TestableDataSource,
R: RangeBounds<usize> + Clone + Debug + Send + 'static,
I: IntoIterator<Item = u64>,