pub(super) fn calculate_estimate_data<'a, T, Series>(
grouped_time_log: BTreeMap<impl Into<Option<&'a T>> + Clone, Vec<&'a TimeLog>>,
) -> (SeriesData, Vec<String>)where
T: Display + 'a,
Series: MultiSeries,Expand description
Calculates the estimate and the actual time spent of all items of type T.
Data can be converted into a [charming] chart.