useratman_netmod::Frame;/// A `Frame` tagged with an identifier and a time to live, for propagation through
/// a simulated medium.
pub(crate)structTaggedFrame{pubtag:u32,
pubttl:u32,
pubframe: Frame,
}implTaggedFrame{pub(crate)fnnew(tag:u32, ttl:u32, frame: Frame)->Self{Self{ tag, ttl, frame }}}