Struct polars_core::chunked_array::builder::PrimitiveChunkedBuilder[−][src]

pub struct PrimitiveChunkedBuilder<T> where
    T: PolarsPrimitiveType,
    T::Native: Default,  { /* fields omitted */ }

Implementations

impl<T> PrimitiveChunkedBuilder<T> where
    T: PolarsPrimitiveType, [src]

pub fn new(name: &str, capacity: usize) -> Self[src]

Trait Implementations

impl<T> ChunkedBuilder<<T as ArrowPrimitiveType>::Native, T> for PrimitiveChunkedBuilder<T> where
    T: PolarsPrimitiveType,
    T::Native: Default, [src]

fn append_value(&mut self, v: T::Native)[src]

Appends a value of type T into the builder

fn append_null(&mut self)[src]

Appends a null slot into the builder

fn finish(self) -> ChunkedArray<T>[src]

fn append_option(&mut self, opt_val: Option<N>)[src]

Auto Trait Implementations

Blanket Implementations

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

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T, U> Cast<U> for T where
    U: FromCast<T>, 

pub fn cast(self) -> U

Numeric cast from self to T.

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T> FromCast<T> for T

pub fn from_cast(t: T) -> T

Numeric cast from T to Self.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

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, U> TryFrom<U> for T where
    U: Into<T>, [src]

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>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

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>[src]

Performs the conversion.

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

pub fn vzip(self) -> V