#[derive(Debug)]
enum AnotherThing<'a> {
    Tux(&'a str),
    Baz,
}

#[derive(Debug)]
enum Foo<'a> {
    Bar(String),
    Baz(u8),
    OhGod(AnotherThing<'a>),
}

fn main() {
    let x = Some(Foo::OhGod(AnotherThing::Tux("hi!")));

    match x {
        Some(Foo::OhGod(AnotherThing::Tux("hi!"))) => {
            println!("Matched on hi!");
        }

        Some(Foo::OhGod(AnotherThing::Tux(_))) => {
            println!("This is super contrived!");
        }
        whatever => {
            println!("got whatever this is: {:?}", whatever);
        }
    }

}