pub fn build_diff(
wb_old: CalamineWorkbook,
wb_new: CalamineWorkbook,
raw_data: bool,
) -> Result<DiffResult, Box<dyn Error>>
pub fn build_diff(
wb_old: CalamineWorkbook,
wb_new: CalamineWorkbook,
raw_data: bool,
) -> Result<DiffResult, Box<dyn Error>>