Enum polars::prelude::LiteralValue

source · [−]

pub enum LiteralValue {
Show 17 variants    Null,
    Boolean(bool),
    Utf8(String),
    UInt8(u8),
    UInt16(u16),
    UInt32(u32),
    UInt64(u64),
    Int8(i8),
    Int16(i16),
    Int32(i32),
    Int64(i64),
    Float32(f32),
    Float64(f64),
    Range {
        low: i64,
        high: i64,
        data_type: DataType,
    },
    DateTime(NaiveDateTime, TimeUnit),
    Duration(Duration, TimeUnit),
    Series(SpecialEq<Series>),
}

Variants

`Null`

`Boolean(bool)`

A binary true or false.

`Utf8(String)`

A UTF8 encoded string type.

`UInt8(u8)`

An unsigned 8-bit integer number.

`UInt16(u16)`

An unsigned 16-bit integer number.

`UInt32(u32)`

An unsigned 32-bit integer number.

`UInt64(u64)`

An unsigned 64-bit integer number.

`Int8(i8)`

An 8-bit integer number.

`Int16(i16)`

A 16-bit integer number.

`Int32(i32)`

A 32-bit integer number.

`Int64(i64)`

A 64-bit integer number.

`Float32(f32)`

A 32-bit floating point number.

`Float64(f64)`

A 64-bit floating point number.

`Range`

Fields

low: i64

high: i64

data_type: DataType

`DateTime(NaiveDateTime, TimeUnit)`

`Duration(Duration, TimeUnit)`

`Series(SpecialEq<Series>)`

Implementations

impl LiteralValue

pub fn to_anyvalue(&self) -> Option<AnyValue<'_>>

pub fn get_datatype(&self) -> DataType

Getter for the DataType of the value

Trait Implementations

impl Clone for LiteralValue

fn clone(&self) -> LiteralValue

Returns a copy of the value. Read more

1.0.0 · source

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for LiteralValue

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

Formats the value using the given formatter. Read more

impl PartialEq<LiteralValue> for LiteralValue

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

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

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

This method tests for !=.

impl TryFrom<AnyValue<'_>> for LiteralValue

type Error = PolarsError

The type returned in the event of a conversion error.

fn try_from(value: AnyValue<'_>) -> Result<LiteralValue, PolarsError>

Performs the conversion.

impl StructuralPartialEq for LiteralValue

Auto Trait Implementations

impl !RefUnwindSafe for LiteralValue

impl Send for LiteralValue

impl Sync for LiteralValue

impl Unpin for LiteralValue

impl !UnwindSafe for LiteralValue

Blanket Implementations

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

impl<T> DynClone for T where
T: Clone,

fn __clone_box(&self, Private) -> *mut ()

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> 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::<T>()

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

impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> 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<U>>::Error>

Performs the conversion.

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

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

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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

fn vzip(self) -> V