Trait polars::prelude::PolarsTemporalGroupby  
source · pub trait PolarsTemporalGroupby {
    // Required methods
    fn rolling(
        &self,
        group_by: Vec<Series>,
        options: &RollingGroupOptions
    ) -> Result<(Series, Vec<Series>, GroupsProxy), PolarsError>;
    fn group_by_dynamic(
        &self,
        group_by: Vec<Series>,
        options: &DynamicGroupOptions
    ) -> Result<(Series, Vec<Series>, GroupsProxy), PolarsError>;
}Available on crate feature 
lazy only.