Trait polars_core::chunked_array::builder::ChunkedBuilder

pub trait ChunkedBuilder<N, T> {
    fn append_value(&mut self, val: N);
    fn append_null(&mut self);
    fn finish(self) -> ChunkedArray<T>;

    fn append_option(&mut self, opt_val: Option<N>) { ... }
}

Required methods

fn append_value(&mut self, val: N)

fn append_null(&mut self)

fn finish(self) -> ChunkedArray<T>

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Provided methods

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

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Implementors

impl ChunkedBuilder<&'_ str, CategoricalType> for CategoricalChunkedBuilder

fn append_value(&mut self, val: &str)

fn append_null(&mut self)

fn finish(self) -> ChunkedArray<CategoricalType>

impl ChunkedBuilder<Cow<'_, str>, Utf8Type> for Utf8ChunkedBuilderCow

fn append_value(&mut self, val: Cow<'_, str>)

fn append_null(&mut self)

fn finish(self) -> ChunkedArray<Utf8Type>

impl ChunkedBuilder<bool, BooleanType> for BooleanChunkedBuilder

fn append_value(&mut self, v: bool)

Appends a value of type T into the builder

fn append_null(&mut self)

Appends a null slot into the builder

fn finish(self) -> BooleanChunked

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

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

Appends a value of type T into the builder

fn append_null(&mut self)

Appends a null slot into the builder

fn finish(self) -> ChunkedArray<T>

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