Function gio::bus_watch_name

pub fn bus_watch_name<NameAppeared, NameVanished>(
    bus_type: BusType,
    name: &str,
    flags: BusNameWatcherFlags,
    name_appeared: NameAppeared,
    name_vanished: NameVanished
) -> WatcherId where
    NameAppeared: Fn(DBusConnection, &str, &str) + Send + Sync + 'static,
    NameVanished: Fn(DBusConnection, &str) + Send + Sync + 'static,