FBHdAjri

fn main() {
    {
        let x = 0;
        let f: Foo = x.into();
        let _: u32 = f.into();
    }
}

enum Foo {
    Bar,
    Baz,
}

impl From for Foo {
    fn from(x: u32) -> Foo {
        match x {
            0 => Foo::Bar,
            1 => Foo::Baz,
            _ => unreachable!(),
        }
    }
}

impl Into for Foo {
    fn into(self) -> u32 {
        match self {
            Foo::Bar => 0,
            Foo::Baz => 1,
        }
    }
}