pub fn stitch_slices_together<P, T, O>(
    raw_offset_pline: &P,
    slices: &[PlineViewData<T>],
    is_closed: bool,
    orig_max_index: usize,
    options: &PlineOffsetOptions<'_, T>
) -> Vec<O>where
    P: PlineSource<Num = T> + ?Sized,
    T: Real,
    O: PlineCreation<Num = T>,