Trait polars::prelude::ColumnBinaryUdf

pub trait ColumnBinaryUdf: Send + Sync {
    // Required method
    fn call_udf(&self, a: Column, b: Column) -> Result<Column, PolarsError>;
}

Available on crate feature lazy only.

A wrapper trait for any binary closure Fn(Column, Column) -> PolarsResult<Column>

Required Methods

fn call_udf(&self, a: Column, b: Column) -> Result<Column, PolarsError>

Trait Implementations

impl Debug for dyn ColumnBinaryUdf

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

Implementors

impl<F> ColumnBinaryUdf for F

where F: Fn(Column, Column) -> Result<Column, PolarsError> + Send + Sync,