pub fn _agg_helper_idx_no_null<T, F>(groups: &GroupsIdx, f: F) -> Serieswhere
F: Fn((u32, &UnitVec<u32>)) -> <T as PolarsNumericType>::Native + Send + Sync,
T: PolarsNumericType,
ChunkedArray<T>: IntoSeries,
Available on crate feature
algorithm_group_by
only.Expand description
Same helper as _agg_helper_idx
but for aggregations that don’t return an Option.