use futures::future;

use crate::{channel::Event::Created, event::Event, message::Event::Sent};

pub fn messages() -> impl FnMut(&Event) -> future::Ready<bool> {
    |event| future::ready(matches!(event, Event::Message(Sent(_))))
}

pub fn created() -> impl FnMut(&Event) -> future::Ready<bool> {
    |event| future::ready(matches!(event, Event::Channel(Created(_))))
}