Function check_threshold_with_io 

pub fn check_threshold_with_io<F, H, T>(
    f: F,
    baseline: &Path,
    load_prev: bool,
    strict_compare: bool,
    save_new: bool,
    threshold: &H,
) -> Result<T, CheckThresholdError<H::Error>>
where
    F: Fn() -> T,
    H: ThresholdFor<T>,
    T: Debug + Serialize + DeserializeOwned,
    <H as ThresholdFor<T>>::Error: Debug + Display,