/// Error for PeerManager errors. If you get one of these, you must disconnect the socket and
/// generate no further read_event/write_buffer_space_avail/socket_disconnected calls for the
/// descriptor.
+#[derive(Clone)]
pub struct PeerHandleError {
/// Used to indicate that we probably can't make any future connections to this peer, implying
/// we should go ahead and force-close any channels we have with it.