Trait polars::prelude::FunctionOutputField

pub trait FunctionOutputField: Send + Sync {
    fn get_field(
        &self,
        input_schema: &Schema,
        cntxt: Context,
        fields: &[Field]
    ) -> Field;
}

Required Methods

fn get_field(
    &self,
    input_schema: &Schema,
    cntxt: Context,
    fields: &[Field]
) -> Field

Implementors

impl<F> FunctionOutputField for F where
    F: Fn(&Schema, Context, &[Field]) -> Field + Send + Sync,