Enum polars_core::prelude::RevMappingBuilder

source ·

pub enum RevMappingBuilder {
    GlobalFinished(PlHashMap<u32, u32>, Utf8Array<i64>, u128),
    Local(MutableUtf8Array<i64>),
}

Available on crate feature dtype-categorical only.

Variants§

§

GlobalFinished(PlHashMap<u32, u32>, Utf8Array<i64>, u128)

Hashmap: maps the indexes from the global cache/categorical array to indexes in the local Utf8Array Utf8Array: caches the string values

§

Local(MutableUtf8Array<i64>)

Utf8Array: caches the string values

Auto Trait Implementations§

§

impl UnwindSafe for RevMappingBuilder

Blanket Implementations§

source §

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

source §

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source §

impl<T> Borrow<T> for Twhere
T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source §

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source§

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

Mutably borrows from an owned value. Read more

source §

impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

source §

impl<T, U> Into for Twhere
U: From<T>,

const: unstable · source§

fn into(self) -> U

Calls U::from(self).

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

source §

impl<T> Pointable for T

source §

const ALIGN: usize = mem::align_of::<T>()

The alignment of pointer.

§

type Init = T

The type for initializers.

source §

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

source §

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

source §

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

source §

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

source §

impl<T, U> TryFrom for Twhere
U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

source §

impl<T, U> TryInto for Twhere
U: TryFrom<T>,

§

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source§

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

source §

impl<V, T> VZip<V> for Twhere
V: MultiLane<T>,

source §

Enum polars_core::prelude::RevMappingBuilder

Variants§

GlobalFinished(PlHashMap<u32, u32>, Utf8Array<i64>, u128)

Local(MutableUtf8Array<i64>)

Auto Trait Implementations§

impl RefUnwindSafe for RevMappingBuilder

impl Send for RevMappingBuilder

impl Sync for RevMappingBuilder

impl Unpin for RevMappingBuilder

impl UnwindSafe for RevMappingBuilder

Blanket Implementations§

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere
T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere
U: From<T>,

fn into(self) -> U

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::<T>()

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

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

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for Twhere
V: MultiLane<T>,

fn vzip(self) -> V

Enum polars_core::prelude::RevMappingBuilder

Variants§

GlobalFinished(PlHashMap<u32, u32>, Utf8Array<i64>, u128)

Local(MutableUtf8Array<i64>)

Auto Trait Implementations§

impl RefUnwindSafe for RevMappingBuilder

impl Send for RevMappingBuilder

impl Sync for RevMappingBuilder

impl Unpin for RevMappingBuilder

impl UnwindSafe for RevMappingBuilder

Blanket Implementations§

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::<T>()

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

fn vzip(self) -> V

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

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

impl<T, U> Into<U> for Twhere
U: From<T>,

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

impl<V, T> VZip<V> for Twhere
V: MultiLane<T>,