// checkRowIdx returns an error if the passed row index is outside the valid
// range
checkRowIdx returns an error if the passed row index is outside the valid
range
// checkRowIdx returns an error if the passed row index is outside the valid // range
func (c Column) checkRowIdx(i int) error {
	if i < 0 || i >= c.RowCount() {
		return dfErrorf("There is no row %d (valid range: 0-%d)",
			i, c.RowCount()-1)
	}
	return nil
}
func ( c Column ) checkRowIdx ( i int ) error { if i < 0 || i >= c . RowCount ( ) { return dfErrorf ( " " , i , c . RowCount ( ) - 1 ) } return nil }
checkRowIdx returns an error if the passed row index is outside the valid
range
checkRowIdx returns an error if the passed row index is outside the valid range