Function polars::prelude::aggregations::_rolling_apply_agg_window_nulls   
source ยท pub fn _rolling_apply_agg_window_nulls<'a, Agg, T, O>(
    values: &'a [T],
    validity: &'a Bitmap,
    offsets: O,
    params: Option<Arc<dyn Any + Send + Sync>>
) -> PrimitiveArray<T>