Struct polars::export::arrow::scalar::BooleanScalar

source · [−]

pub struct BooleanScalar { /* private fields */ }

Expand description

The Scalar implementation of a boolean.

Implementations

source

impl BooleanScalar

source

pub fn new(value: Option<bool>) -> BooleanScalar

Returns a new BooleanScalar

source

pub fn value(&self) -> Option<bool>

The value

Trait Implementations

source

impl Clone for BooleanScalar

source

fn clone(&self) -> BooleanScalar

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

source

impl Debug for BooleanScalar

source

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

Formats the value using the given formatter. Read more

source

impl From<Option<bool>> for BooleanScalar

source

fn from(v: Option<bool>) -> BooleanScalar

Performs the conversion.

source

impl PartialEq<BooleanScalar> for BooleanScalar

source

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

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

source

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

This method tests for !=.

source

impl Scalar for BooleanScalar

source

fn as_any(&self) -> &(dyn Any + 'static)

convert itself to

source

fn is_valid(&self) -> bool

whether it is valid

source

fn data_type(&self) -> &DataType

the logical type.

source

impl StructuralPartialEq for BooleanScalar

Auto Trait Implementations

impl RefUnwindSafe for BooleanScalar

impl Send for BooleanScalar

impl Sync for BooleanScalar

impl Unpin for BooleanScalar

impl UnwindSafe for BooleanScalar

Blanket Implementations

source

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

source

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

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

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 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.

source

impl<T> Pointable for T

source

const ALIGN: usize

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> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

source

fn to_owned(&self) -> T

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

source

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

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

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

source

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.

source

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.

source

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

source

Struct polars::export::arrow::scalar::BooleanScalar

Implementations

impl BooleanScalar

pub fn new(value: Option<bool>) -> BooleanScalar

pub fn value(&self) -> Option<bool>

Trait Implementations

impl Clone for BooleanScalar

fn clone(&self) -> BooleanScalar

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

impl Debug for BooleanScalar

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

impl From<Option<bool>> for BooleanScalar

fn from(v: Option<bool>) -> BooleanScalar

impl PartialEq<BooleanScalar> for BooleanScalar

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

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

impl Scalar for BooleanScalar

fn as_any(&self) -> &(dyn Any + 'static)

fn is_valid(&self) -> bool

fn data_type(&self) -> &DataType

impl StructuralPartialEq for BooleanScalar

Auto Trait Implementations

impl RefUnwindSafe for BooleanScalar

impl Send for BooleanScalar

impl Sync for BooleanScalar

impl Unpin for BooleanScalar

impl UnwindSafe for BooleanScalar

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

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> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

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

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>

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

fn vzip(self) -> V

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> ToOwned for T where
T: Clone,

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

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

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