Trait ColumnsUdf 

pub trait ColumnsUdf: Send + Sync {
    // Required method
    fn call_udf(&self, s: &mut [Column]) -> Result<Column, PolarsError>;

    // Provided method
    fn as_any(&self) -> &(dyn Any + 'static) { ... }
}

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

Required Methods

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

Provided Methods

fn as_any(&self) -> &(dyn Any + 'static)

Trait Implementations

impl Debug for dyn ColumnsUdf

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

Formats the value using the given formatter.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl ColumnsUdf for PythonUdfExpression

impl<F, DT> ColumnsUdf for BaseColumnUdf<F, DT>

where F: Fn(&mut [Column]) -> Result<Column, PolarsError> + Send + Sync, DT: Fn(&Schema<DataType, ()>, &[Field]) -> Result<Field, PolarsError> + Send + Sync,

impl<F> ColumnsUdf for F

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