polars::prelude::datatypes

Struct ObjectType

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pub struct ObjectType<T>(/* private fields */);
Available on crate feature object only.

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impl<T> ChunkExpandAtIndex<ObjectType<T>> for ChunkedArray<ObjectType<T>>
where T: PolarsObject,

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

Create a new ChunkedArray filled with values at that index.
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impl<T> ChunkFilter<ObjectType<T>> for ChunkedArray<ObjectType<T>>
where T: PolarsObject,

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fn filter( &self, filter: &ChunkedArray<BooleanType>, ) -> Result<ChunkedArray<ObjectType<T>>, PolarsError>
where ChunkedArray<ObjectType<T>>: Sized,

Filter values in the ChunkedArray with a boolean mask. Read more
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impl<T> ChunkShift<ObjectType<T>> for ChunkedArray<ObjectType<T>>
where T: PolarsObject,

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fn shift(&self, periods: i64) -> ChunkedArray<ObjectType<T>>

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impl<T> ChunkShiftFill<ObjectType<T>, Option<ObjectType<T>>> for ChunkedArray<ObjectType<T>>
where T: PolarsObject,

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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.
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impl<T> NewChunkedArray<ObjectType<T>, T> for ChunkedArray<ObjectType<T>>
where T: PolarsObject,

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fn from_iter_values( name: PlSmallStr, it: impl Iterator<Item = T>, ) -> ChunkedArray<ObjectType<T>>

Create a new ChunkedArray from an iterator.

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fn from_slice(name: PlSmallStr, v: &[T]) -> ChunkedArray<ObjectType<T>>

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fn from_slice_options( name: PlSmallStr, opt_v: &[Option<T>], ) -> ChunkedArray<ObjectType<T>>

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fn from_iter_options( name: PlSmallStr, it: impl Iterator<Item = Option<T>>, ) -> ChunkedArray<ObjectType<T>>

Create a new ChunkedArray from an iterator.
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impl<T> PolarsDataType for ObjectType<T>
where T: PolarsObject,

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type Physical<'a> = &'a T

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type OwnedPhysical = T

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type ZeroablePhysical<'a> = Option<&'a T>

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type Array = ObjectArray<T>

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type IsNested = FalseT

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type HasViews = FalseT

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type IsStruct = FalseT

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type IsObject = TrueT

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fn get_dtype() -> DataType

Auto Trait Implementations§

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impl<T> Freeze for ObjectType<T>
where T: Freeze,

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impl<T> RefUnwindSafe for ObjectType<T>
where T: RefUnwindSafe,

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impl<T> Send for ObjectType<T>
where T: Send,

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impl<T> Sync for ObjectType<T>
where T: Sync,

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impl<T> Unpin for ObjectType<T>
where T: Unpin,

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impl<T> UnwindSafe for ObjectType<T>
where T: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T