Struct polars_core::prelude::CategoricalChunkedBuilder

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pub struct CategoricalChunkedBuilder { /* private fields */ }
Available on crate feature dtype-categorical only.

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impl CategoricalChunkedBuilder

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

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pub fn append_value(&mut self, s: &str)

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pub fn append_null(&mut self)

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pub fn append(&mut self, opt_s: Option<&str>)

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pub fn drain_iter_and_finish<'a, I>(self, i: I) -> CategoricalChunked
where I: IntoIterator<Item = Option<&'a str>>,

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pub fn finish(self) -> CategoricalChunked

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