#[allow(dead_code)]
enum Baz {
    One,
    Two,
}

struct Test {
    t: Option<usize>,
    b: Baz,
}

fn main() {}

pub fn foo() {
    use Baz::*;
    let x = Test { t: Some(0), b: One };

    match x {
        Test { t: Some(_), b: One } => unreachable!(),
        Test { t: Some(42), b: Two } => unreachable!(),
        Test { t: None, .. } => unreachable!(),
        Test { .. } => unreachable!(),
    }
}