Function encode_element

src/pgrepr/src/value.rs:954–966

(buf: &mut BytesMut, elem: Option<&Value>, ty: &Type)

}

fn encode_element(buf: &mut BytesMut, elem: Option<&Value>, ty: &Type) -> Result<(), io::Error> {
    match elem {
        None => buf.put_i32(-1),
        Some(elem) => {
            let base = buf.len();
            buf.put_i32(0);
            elem.encode_binary(ty, buf)?;
            let len = pg_len("encoded element", buf.len() - base - 4)?;
            buf[base..base + 4].copy_from_slice(&len.to_be_bytes());
        }
    }
    Ok(())
}

fn pg_len(what: &str, len: usize) -> Result<i32, io::Error> {
    len.try_into().map_err(|_| {