let mut remove_index = None;
            if let Some((index, ref mut client)) = clients.iter_mut().enumerate().find(|&(_, ref c)| c.       token() == event.token()) {
                let mut event = ClientEvent {
                    event: &event,
                    broadcasts: Vec::new(),
                };
                client.update(&mut event);

                if !client.connected() {
                    remove_index = Some(index);
                }
            }

            if let Some(index) = remove_index {
                clients.remove(index);
            }