21     mem::swap, fs::{File, OpenOptions},

    21     mem::swap, fs::{File, OpenOptions},

    22     io::{Read, Write, Result, Error, ErrorKind}

    22     io::{Read, Write, Result, Error, ErrorKind}

    23 };

    23 };

    24 use base64::{encode, decode};

    24 use base64::{encode, decode};

    25 use super::common::rnd_reply;

    25 use super::common::rnd_reply;

    26 

    27 

    27 #[derive(Clone)]

    28 #[derive(Clone)]

    28 struct ByMsg<'a> {

    29 struct ByMsg<'a> {

    29     messages: &'a[u8]

    30     messages: &'a[u8]

    30 }

    31 }