Enum polars_io::export::Count

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pub enum Count {
    Single(PrimitiveArray<u64>),
    Struct(StructArray),
    Map(MapArray),
}

Expand description

Enum of a count statistics

Variants

`Single(PrimitiveArray<u64>)`

simple arrays (every type not a Struct) have a count of UInt64

`Struct(StructArray)`

struct arrays have a count as a struct of UInt64

`Map(MapArray)`

map arrays have a count as a map of UInt64

Trait Implementations

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impl Debug for Count

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

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impl PartialEq<Count> for Count

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fn eq(&self, other: &Count) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &Count) -> bool

This method tests for !=.

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impl StructuralPartialEq for Count

Auto Trait Implementations

impl !RefUnwindSafe for Count

impl Send for Count

impl Sync for Count

impl Unpin for Count

impl !UnwindSafe for Count

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,

const: unstable · source

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,

const: unstable · source

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

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
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.

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::()

The alignment of pointer.

type Init = T

The type for initializers.

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

Initializes a with the given initializer. Read more

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

Dereferences the given pointer. Read more

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

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

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

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impl<T, U> TryFrom for T where
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.

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impl<T, U> TryInto for T where
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.

Enum polars_io::export::Count

Variants

Single(PrimitiveArray<u64>)

Struct(StructArray)

Map(MapArray)

Trait Implementations

impl Debug for Count

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

impl PartialEq<Count> for Count

fn eq(&self, other: &Count) -> bool

fn ne(&self, other: &Count) -> bool

impl StructuralPartialEq for Count

Auto Trait Implementations

impl !RefUnwindSafe for Count

impl Send for Count

impl Sync for Count

impl Unpin for Count

impl !UnwindSafe for Count

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where 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 T where U: From<T>,

fn into(self) -> U

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::()

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 T where U: Into<T>,

type Error = Infallible

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

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

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

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

`Single(PrimitiveArray<u64>)`

`Struct(StructArray)`

`Map(MapArray)`

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

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

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

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

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

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