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IsInHaystack

polars::prelude

Struct IsInHaystack 

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pub struct IsInHaystack { /* private fields */ }
Available on crate feature polars-ops only.
Expand description

A single haystack prepared for probing with needles of a fixed dtype.

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impl IsInHaystack

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pub fn new( haystack: &Series, needle_dtype: &DataType, ) -> Result<IsInHaystack, PolarsError>

haystack must be a List or Array series of length 1.

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pub fn probe( &self, needle: &Series, nulls_equal: bool, ) -> Result<ChunkedArray<BooleanType>, PolarsError>

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