RowsColumnTypeLength

method ColumnTypeLength(index: int): tuple of (length: int64, ok: Boolean)

(int64 length, Boolean ok) ColumnTypeLength(int index)

func ColumnTypeLength(_ index: int) -> (int64, Boolean)

func ColumnTypeLength(index int) tuple of (|name=length| int64, |name=ok| Boolean)

Function ColumnTypeLength(index As int) As Tuple (Of int64, Boolean)