Function decode_hex

blobby/src/bin/encode.rs:28–41

(data: &str)

    }

    fn decode_hex(data: &str) -> io::Result<Vec<u8>> {
        if data.len() % 2 != 0 {
            let msg = "Invalid hex string: length is not even";
            return Err(io::Error::new(io::ErrorKind::InvalidData, msg));
        }
        data.as_bytes()
            .chunks_exact(2)
            .map(|chunk| {
                let a = decode_hex_char(chunk[0])?;
                let b = decode_hex_char(chunk[1])?;
                Ok((a << 4) | b)
            })
            .collect()
    }

    fn encode(reader: impl BufRead, mut writer: impl Write) -> io::Result<usize> {
        let mut blobs = Vec::new();