// run-pass

pub enum T {
    T1(()),
    T2(())
}

pub enum V {
    V1(isize),
    V2(bool)
}

fn foo(x: (T, V)) -> String {
    match x {
        (T::T1(()), V::V1(i))  => format!("T1(()), V1({})", i),
        (T::T2(()), V::V2(b))  => format!("T2(()), V2({})", b),
        _ => String::new()
    }
}


fn main() {
    assert_eq!(foo((T::T1(()), V::V1(99))), "T1(()), V1(99)".to_string());
    assert_eq!(foo((T::T2(()), V::V2(true))), "T2(()), V2(true)".to_string());
}