Trait polars::prelude::FunctionOutputField

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

Available on crate feature lazy only.

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,