pub fn read_from_file_simple<TDate, T>(
file_path: &str,
) -> Result<TimeSeries<TDate, T>, Box<dyn Error>>where
TDate: DeserializeOwned + 'static + Serialize + Hash + Copy + Eq + Ord,
T: DeserializeOwned + 'static + Copy,
pub fn read_from_file_simple<TDate, T>(
file_path: &str,
) -> Result<TimeSeries<TDate, T>, Box<dyn Error>>where
TDate: DeserializeOwned + 'static + Serialize + Hash + Copy + Eq + Ord,
T: DeserializeOwned + 'static + Copy,