Function polars_lazy::dsl::map_binary

source · [−]

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

Expand description

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