Function polars_plan::dsl::functions::cumreduce_exprs

pub fn cumreduce_exprs<F, E: AsRef<[Expr]>>(f: F, exprs: E) -> Exprwhere
    F: Fn(Series, Series) -> PolarsResult<Series> + Send + Sync + Clone + 'static,

Available on crate feature rank only.

Accumulate over multiple columns horizontally / row wise.