Enum polars::datatypes::DataType[−][src]

pub enum DataType {
Show 19 variants    Boolean,
    UInt8,
    UInt16,
    UInt32,
    UInt64,
    Int8,
    Int16,
    Int32,
    Int64,
    Float32,
    Float64,
    Utf8,
    Date,
    Datetime,
    Time,
    List(Box<DataType, Global>),
    Object(&'static str),
    Null,
    Categorical,
}

Variants

Boolean

UInt8

UInt16

UInt32

UInt64

Int8

Int16

Int32

Int64

Float32

Float64

Utf8

String data

Date

A 32-bit date representing the elapsed time since UNIX epoch (1970-01-01) in days (32 bits).

Datetime

A 64-bit date representing the elapsed time since UNIX epoch (1970-01-01) in milliseconds (64 bits).

Time

A 64-bit time representing the elapsed time since midnight in nanoseconds

List(Box<DataType, Global>)

Tuple Fields of List

0: Box<DataType, Global>

Object(&'static str)

A generic type that can be used in a Series &’static str can be used to determine/set inner type

Tuple Fields of Object

0: &'static str

Null

Categorical

Implementations

impl DataType

pub fn to_arrow(&self) -> DataType

Convert to an Arrow data type.

Trait Implementations

impl Clone for DataType

pub fn clone(&self) -> DataType

Returns a copy of the value. Read more

1.0.0[src]

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

Performs copy-assignment from source. Read more

impl Debug for DataType

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

Formats the value using the given formatter. Read more

impl Display for DataType

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

Formats the value using the given formatter. Read more

impl<'_> From<&'_ DataType> for DataType

pub fn from(dt: &DataType) -> DataType

Performs the conversion.

impl Hash for DataType

pub fn hash<H>(&self, state: &mut H) where
__H: Hasher,

Feeds this value into the given Hasher. Read more

1.3.0[src]

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

Feeds a slice of this type into the given Hasher. Read more

impl PartialEq<DataType> for DataType

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

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

1.0.0[src]

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

This method tests for !=.

impl PartialEq<DataType> for DataType

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

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

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

This method tests for !=.

impl Eq for DataType

impl StructuralEq for DataType

impl StructuralPartialEq for DataType

Auto Trait Implementations

impl RefUnwindSafe for DataType

impl Send for DataType

impl Sync for DataType

impl Unpin for DataType

impl UnwindSafe for DataType

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> CallHasher for T where
T: Hash + ?Sized,

pub default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64 where
H: Hash + ?Sized,
B: BuildHasher,

impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

pub fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<T> From<T> for T

pub fn from(t: T) -> T

Performs the conversion.

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

pub fn into(self) -> U

Performs the conversion.

impl<T> Pointable for T

pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

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

Initializes a with the given initializer. Read more

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

Dereferences the given pointer. Read more

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

Mutably dereferences the given pointer. Read more

pub 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.

pub fn to_owned(&self) -> T

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

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

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

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

impl<T> ToString for T where
T: Display + ?Sized,

pub default fn to_string(&self) -> String

Converts the given value to a String. 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.

pub 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.

pub 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>,

pub fn vzip(self) -> V