Function encode_csv 

pub fn encode_csv<'a, Rows, Row, Cell>(
    rows: Rows,
    options: CsvOptions,
) -> Result<String, CsvEncodeError>
where
    Rows: IntoIterator<Item = Row>,
    Row: IntoIterator<Item = Cell>,
    Cell: Borrow<CsvCell<'a>>,

Encodes rows as RFC 4180 CSV with CRLF record separators.

Errors

Returns CsvEncodeError::InvalidNumericCell when a numeric cell is not a JSON-grammar number.