use std::sync::mpsc::{Sender, Receiver};

struct Slot<'call, T> {
    receiver: Receiver<T>,
    sender: Sender<T>,
    callback: Box<dyn FnMut() + 'call>
}

#[cfg(test)]
mod tests {
    #[test]
    fn it_works() {
        assert_eq!(2 + 2, 4);
    }
}