Struct polars_core::chunked_array::builder::Utf8ChunkedBuilderCow

pub struct Utf8ChunkedBuilderCow { /* fields omitted */ }

Implementations

impl Utf8ChunkedBuilderCow

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

Trait Implementations

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>

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