polars::chunked_array::builder

Struct NullChunkedBuilder

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pub struct NullChunkedBuilder { /* private fields */ }

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impl NullChunkedBuilder

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pub fn new(name: PlSmallStr, len: usize) -> NullChunkedBuilder

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pub fn append_null(&mut self)

Appends a null slot into the builder

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pub fn finish(self) -> NullChunked

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pub fn shrink_to_fit(&mut self)

Trait Implementations§

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impl Clone for NullChunkedBuilder

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fn clone(&self) -> NullChunkedBuilder

Returns a copy of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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