Trait polars_lazy::dsl::BinaryUdfOutputField

pub trait BinaryUdfOutputField: Send + Sync {
    fn get_field(
        &self, 
        input_schema: &Schema, 
        cntxt: Context, 
        field_a: &Field, 
        field_b: &Field
    ) -> Option<Field>;
}

This is supported on crate feature compile only.

Required methods

fn get_field(
    &self,
    input_schema: &Schema,
    cntxt: Context,
    field_a: &Field,
    field_b: &Field
) -> Option<Field>

Implementors

impl<F> BinaryUdfOutputField for F where
    F: Fn(&Schema, Context, &Field, &Field) -> Option<Field> + Send + Sync,