#[cfg(test)]
pub mod test {
    use futures_signals::signal::{Mutable, SignalExt};
    use mutablex::mutable_x;

    #[test]
    pub fn basic() {
        mutable_x!(5);

    //     let stream_a = Mutable::new(1);
    //     let stream_b = Mutable::new(2);

    //     let combination = Mutable2::new(stream_a.clone(), stream_b.clone());

    //     let _ = combination.map(|(a, b)| {
    //         println!("{} {}", a, b);
    //     });

    //     stream_a.set(3);
    //     stream_b.set(4);
    }
}