Struct polars_core::chunked_array::builder::CategoricalChunkedBuilder [−][src]
Implementations
impl CategoricalChunkedBuilder[src]
impl CategoricalChunkedBuilder[src]
pub fn append_values<'a, I>(&mut self, i: I) where
I: IntoIterator<Item = Option<&'a str>>, [src]
I: IntoIterator<Item = Option<&'a str>>,
Appends all the values in a single lock of the global string cache.
Trait Implementations
impl ChunkedBuilder<&'_ str, CategoricalType> for CategoricalChunkedBuilder[src]
fn append_value(&mut self, val: &str)[src]
fn append_null(&mut self)[src]
fn finish(self) -> ChunkedArray<CategoricalType>[src]
fn append_option(&mut self, opt_val: Option<N>)[src]
Auto Trait Implementations
impl RefUnwindSafe for CategoricalChunkedBuilder[src]
impl Send for CategoricalChunkedBuilder[src]
impl Sync for CategoricalChunkedBuilder[src]
impl Unpin for CategoricalChunkedBuilder[src]
impl UnwindSafe for CategoricalChunkedBuilder[src]
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized, [src]
T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized, [src]
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized, [src]
T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T[src]
impl<T, U> Cast<U> for T where
U: FromCast<T>,
U: FromCast<T>,
pub fn cast(self) -> U
impl<T> From<T> for T[src]
impl<T> FromCast<T> for T
pub fn from_cast(t: T) -> T
impl<T, U> Into<U> for T where
U: From<T>, [src]
U: From<T>,
impl<T> Pointable for T
pub const ALIGN: usize
type Init = T
The type for initializers.
pub unsafe fn init(init: <T as Pointable>::Init) -> usize
pub unsafe fn deref<'a>(ptr: usize) -> &'a T
pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T
pub unsafe fn drop(ptr: usize)
impl<T, U> TryFrom<U> for T where
U: Into<T>, [src]
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>[src]
impl<T, U> TryInto<U> for T where
U: TryFrom<T>, [src]
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>[src]
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,