Struct polars_core::datatypes::ObjectType

pub struct ObjectType<T>(_);

Available on crate feature object only.

Trait Implementations

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

fn new_from_index(&self, index: usize, length: usize) -> ObjectChunked<T>

Create a new ChunkedArray filled with values at that index.

impl<T: PolarsObject> ChunkFillNullValue<ObjectType<T>> for ObjectChunked<T>

fn fill_null_with_values(&self, _value: ObjectType<T>) -> PolarsResult<Self>

Replace None values with a give value T.

impl<T> ChunkFilter<ObjectType<T>> for ObjectChunked<T>where
    T: PolarsObject,

fn filter(
    &self,
    filter: &BooleanChunked
) -> PolarsResult<ChunkedArray<ObjectType<T>>>where
    Self: Sized,

Filter values in the ChunkedArray with a boolean mask.

impl<T: PolarsObject> ChunkReverse<ObjectType<T>> for ObjectChunked<T>

fn reverse(&self) -> Self

Return a reversed version of this array.

impl<T: PolarsObject> ChunkShift<ObjectType<T>> for ObjectChunked<T>

fn shift(&self, periods: i64) -> Self

impl<T: PolarsObject> ChunkShiftFill<ObjectType<T>, Option<ObjectType<T>>> for ObjectChunked<T>

fn shift_and_fill(
    &self,
    _periods: i64,
    _fill_value: Option<ObjectType<T>>
) -> ChunkedArray<ObjectType<T>>

Shift the values by a given period and fill the parts that will be empty due to this operation with fill_value.

impl<T: PolarsObject> ChunkTakeEvery<ObjectType<T>> for ObjectChunked<T>

fn take_every(&self, _n: usize) -> ObjectChunked<T>

Traverse and collect every nth element in a new array.

impl<T: PolarsObject> ChunkUnique<ObjectType<T>> for ObjectChunked<T>

fn unique(&self) -> PolarsResult<ChunkedArray<ObjectType<T>>>

Get unique values of a ChunkedArray

fn arg_unique(&self) -> PolarsResult<IdxCa>

Get first index of the unique values in a ChunkedArray. This Vec is sorted.

fn n_unique(&self) -> PolarsResult<usize>

Number of unique values in the ChunkedArray

fn is_unique(&self) -> PolarsResult<BooleanChunked>

Get a mask of all the unique values.

fn is_duplicated(&self) -> PolarsResult<BooleanChunked>

Get a mask of all the duplicated values.

fn mode(&self) -> PolarsResult<ChunkedArray<T>>

Available on crate feature mode only.

The most occurring value(s). Can return multiple Values

impl<T: PolarsObject> ChunkZip<ObjectType<T>> for ObjectChunked<T>

Available on crate feature zip_with only.

fn zip_with(
    &self,
    mask: &BooleanChunked,
    other: &ChunkedArray<ObjectType<T>>
) -> PolarsResult<ChunkedArray<ObjectType<T>>>

Create a new ChunkedArray with values from self where the mask evaluates true and values from other where the mask evaluates false

impl<T> NewChunkedArray<ObjectType<T>, T> for ObjectChunked<T>where
    T: PolarsObject,

fn from_iter_values(name: &str, it: impl Iterator<Item = T>) -> ObjectChunked<T>

Create a new ChunkedArray from an iterator.

fn from_slice(name: &str, v: &[T]) -> Self

fn from_slice_options(name: &str, opt_v: &[Option<T>]) -> Self

fn from_iter_options(
    name: &str,
    it: impl Iterator<Item = Option<T>>
) -> ObjectChunked<T>

Create a new ChunkedArray from an iterator.

impl<T: PolarsObject> PolarsDataType for ObjectType<T>

fn get_dtype() -> DataType