Comment by Smaug123

`&` and `'` do mean something: `&` indicates something that's borrowed, and `'` indicates a lifetime. (`static` is a specifically blessed identifier given to a certain lifetime.) This is explained in https://doc.rust-lang.org/book/ch10-03-lifetime-syntax.html#..., and the static lifetime is explained in https://doc.rust-lang.org/book/ch10-03-lifetime-syntax.html#... .