Function write_prefix_vec

pub fn write_prefix_vec<W, E, I>(
    writer: &mut W,
    vector: &[I],
) -> Result<usize, E>
where
    W: Write,
    E: From<SerError> + From<Error> + Error,
    I: ByteFormat<Error = E>,

Convenience function to write a Bitcoin-style length-prefixed vector.