Trait polars_plan::dsl::FunctionOutputField

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

Required Methods

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

Implementors

impl<F> FunctionOutputField for F

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