Function decode 

pub fn decode(received: &[u8], parity: u8) -> Result<Codeword<'_>, DecodeError>

Verifies the error-correcting code and returns the message.

Errors

• InputTooLarge is returned if len(received) > 255 bytes.
• InsufficientParityBytes is returned if parity > length / 2.
• RSDecodeError is returned if decoding fails for any reason.