Function polars::prelude::map_binary
pub fn map_binary<F>(
a: Expr,
b: Expr,
f: F,
output_type: SpecialEq<Arc<dyn FunctionOutputField>>
) -> Exprwhere
F: 'static + Fn(Series, Series) -> Result<Option<Series>, PolarsError> + Send + Sync,
Available on crate feature
lazy
only.