Function _rolling_apply_agg_window_no_nulls 

pub fn _rolling_apply_agg_window_no_nulls<Agg, T, O>(
    values: &[T],
    offsets: O,
    params: Option<RollingFnParams>,
) -> PrimitiveArray<T>
where
    Agg: RollingAggWindowNoNulls<T>,
    O: Iterator<Item = (u32, u32)> + TrustedLen,
    T: IsFloat + NativeType,

Available on crate feature algorithm_group_by only.