Function polars_plan::dsl::functions::map_binary

pub fn map_binary<F>(a: Expr, b: Expr, f: F, output_type: GetOutput) -> Exprwhere
    F: Fn(Series, Series) -> PolarsResult<Series> + Send + Sync + 'static,

Available on crate feature compile only.

Apply a closure on the two columns that are evaluated from Expr a and Expr b.