Struct rerun::external::arrow2::scalar::PrimitiveScalar

source · 
pub struct PrimitiveScalar<T>
where
    T: NativeType,
{ /* private fields */ }
Expand description

The implementation of Scalar for primitive, semantically equivalent to Option<T> with DataType.

Implementations§

source§

impl<T> PrimitiveScalar<T>
where T: NativeType,

source

pub fn new(data_type: DataType, value: Option<T>) -> PrimitiveScalar<T>

Returns a new PrimitiveScalar.

source

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

Returns the optional value.

source

pub fn to(self, data_type: DataType) -> PrimitiveScalar<T>

Returns a new PrimitiveScalar with the same value but different DataType

§Panic

This function panics if the data_type is not valid for self’s physical type T.

Trait Implementations§

source§

impl<T> Clone for PrimitiveScalar<T>
where T: Clone + NativeType,

source§

fn clone(&self) -> PrimitiveScalar<T>

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<T> Debug for PrimitiveScalar<T>
where T: Debug + NativeType,

source§

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

Formats the value using the given formatter. Read more
source§

impl<T> From<Option<T>> for PrimitiveScalar<T>
where T: NativeType,

source§

fn from(v: Option<T>) -> PrimitiveScalar<T>

Converts to this type from the input type.
source§

impl<T> PartialEq for PrimitiveScalar<T>
where T: PartialEq + NativeType,

source§

fn eq(&self, other: &PrimitiveScalar<T>) -> bool

This method tests for self and other values to be equal, and is used by ==.
1.0.0 · source§

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
source§

impl<T> Scalar for PrimitiveScalar<T>
where T: NativeType,

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<T> Eq for PrimitiveScalar<T>
where T: Eq + NativeType,

source§

impl<T> StructuralPartialEq for PrimitiveScalar<T>
where T: NativeType,

Auto Trait Implementations§

§

impl<T> Freeze for PrimitiveScalar<T>
where T: Freeze,

§

impl<T> RefUnwindSafe for PrimitiveScalar<T>

§

impl<T> Send for PrimitiveScalar<T>

§

impl<T> Sync for PrimitiveScalar<T>

§

impl<T> Unpin for PrimitiveScalar<T>
where T: Unpin,

§

impl<T> UnwindSafe for PrimitiveScalar<T>
where T: UnwindSafe,

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> Az for T

source§

fn az<Dst>(self) -> Dst
where T: Cast<Dst>,

Casts the value.
source§

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

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

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

source§

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

Mutably borrows from an owned value. Read more
source§

impl<Src, Dst> CastFrom<Src> for Dst
where Src: Cast<Dst>,

source§

fn cast_from(src: Src) -> Dst

Casts the value.
source§

impl<T> CheckedAs for T

source§

fn checked_as<Dst>(self) -> Option<Dst>
where T: CheckedCast<Dst>,

Casts the value.
source§

impl<Src, Dst> CheckedCastFrom<Src> for Dst
where Src: CheckedCast<Dst>,

source§

fn checked_cast_from(src: Src) -> Option<Dst>

Casts the value.
source§

impl<T> Downcast<T> for T

source§

fn downcast(&self) -> &T

source§

impl<T> Downcast for T
where T: Any,

source§

fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
source§

fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
source§

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

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
source§

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

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
source§

impl<T> DowncastSync for T
where T: Any + Send + Sync,

source§

fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
source§

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

source§

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

source§

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

source§

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

Checks if this value is equivalent to the given key. Read more
source§

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

source§

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

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

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T> Instrument for T

source§

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
source§

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
source§

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

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<Src, Dst> LosslessTryInto<Dst> for Src
where Dst: LosslessTryFrom<Src>,

source§

fn lossless_try_into(self) -> Option<Dst>

Performs the conversion.
source§

impl<Src, Dst> LossyInto<Dst> for Src
where Dst: LossyFrom<Src>,

source§

fn lossy_into(self) -> Dst

Performs the conversion.
source§

impl<T> OverflowingAs for T

source§

fn overflowing_as<Dst>(self) -> (Dst, bool)
where T: OverflowingCast<Dst>,

Casts the value.
source§

impl<Src, Dst> OverflowingCastFrom<Src> for Dst
where Src: OverflowingCast<Dst>,

source§

fn overflowing_cast_from(src: Src) -> (Dst, bool)

Casts the value.
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> Same for T

§

type Output = T

Should always be Self
source§

impl<T> SaturatingAs for T

source§

fn saturating_as<Dst>(self) -> Dst
where T: SaturatingCast<Dst>,

Casts the value.
source§

impl<Src, Dst> SaturatingCastFrom<Src> for Dst
where Src: SaturatingCast<Dst>,

source§

fn saturating_cast_from(src: Src) -> Dst

Casts the value.
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)

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

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

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

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

Performs the conversion.
source§

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.
source§

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

Performs the conversion.
source§

impl<T> UnwrappedAs for T

source§

fn unwrapped_as<Dst>(self) -> Dst
where T: UnwrappedCast<Dst>,

Casts the value.
source§

impl<Src, Dst> UnwrappedCastFrom<Src> for Dst
where Src: UnwrappedCast<Dst>,

source§

fn unwrapped_cast_from(src: Src) -> Dst

Casts the value.
source§

impl<T> Upcast<T> for T

source§

fn upcast(&self) -> Option<&T>

source§

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

source§

fn vzip(self) -> V

source§

impl<T> WithSubscriber for T

source§

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
source§

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
source§

impl<T> WrappingAs for T

source§

fn wrapping_as<Dst>(self) -> Dst
where T: WrappingCast<Dst>,

Casts the value.
source§

impl<Src, Dst> WrappingCastFrom<Src> for Dst
where Src: WrappingCast<Dst>,

source§

fn wrapping_cast_from(src: Src) -> Dst

Casts the value.
source§

impl<T> WasmNotSend for T
where T: Send,

source§

impl<T> WasmNotSendSync for T
where T: WasmNotSend + WasmNotSync,

source§

impl<T> WasmNotSync for T
where T: Sync,