XLSX::CellValue
The full set of values a cell can hold.
String— shared string cell (interned in sharedStrings.xml)InlineStr— inline string cell (stored directly in the cell element)Int64— integer numeric cell (write convenience; Excel stores as float)Float64— floating point numeric cellBool— boolean cellDateValue— date/time cell with display style (wall-clock UTC semantics)Formula— formula cell with cached resultSharedFormulaRef— satellite cell in a shared formula groupEmpty— cell element present in XML, but no value childNil— cell element absent from XML entirely