Trait polars_lazy::dsl::SeriesUdf

pub trait SeriesUdf: Send + Sync {
    fn call_udf(&self, s: &mut [Series]) -> Result<Series, PolarsError>;
}

A wrapper trait for any closure Fn(Vec<Series>) -> PolarsResult<Series>

Required Methods

fn call_udf(&self, s: &mut [Series]) -> Result<Series, PolarsError>

Trait Implementations

impl Debug for dyn SeriesUdf + 'static

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

Formats the value using the given formatter.

Implementors

impl<F> SeriesUdf for Fwhere
    F: Fn(&mut [Series]) -> Result<Series, PolarsError> + Send + Sync,