Trait polars_core::chunked_array::ops::ChunkExpandAtIndex

pub trait ChunkExpandAtIndex<T> {
    fn expand_at_index(&self, length: usize, index: usize) -> ChunkedArray<T>;
}

Create a new ChunkedArray filled with values at that index.

Required methods

fn expand_at_index(&self, length: usize, index: usize) -> ChunkedArray<T>

Create a new ChunkedArray filled with values at that index.

Implementors

impl ChunkExpandAtIndex<BooleanType> for BooleanChunked

impl ChunkExpandAtIndex<CategoricalType> for CategoricalChunked

This is supported on crate feature dtype-categorical only.

impl ChunkExpandAtIndex<ListType> for ListChunked

impl ChunkExpandAtIndex<Utf8Type> for Utf8Chunked

impl<T> ChunkExpandAtIndex<ObjectType<T>> for ObjectChunked<T>

This is supported on crate feature object only.

impl<T> ChunkExpandAtIndex<T> for ChunkedArray<T> where
    ChunkedArray<T>: ChunkFull<T::Native> + TakeRandom<Item = T::Native>,
    T: PolarsNumericType,