Function riker::system::query

Important traits for Box<R>

impl<R> Read for Box<R> where
    R: Read + ?Sized, impl<W> Write for Box<W> where
    W: Write + ?Sized, impl<I> Iterator for Box<I> where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

pub fn query<Msg, Ctx>(
    id: &String, 
    keyspace: &String, 
    es: &ActorRef<Msg>, 
    ctx: &Ctx
) -> Box<Future<Item = Vec<Msg>, Error = Never> + Send> where
    Msg: Message,
    Ctx: TmpActorRefFactory<Msg = Msg>,