Method check

guards/src/main.rs:17–22

(&self, ctx: &GuardContext<'_>)

    impl Guard for ApiGuard {
        fn check(&self, ctx: &GuardContext<'_>) -> bool {
            ctx.head()
                .headers()
                .get("Accept-Version")
                .is_some_and(|hv| hv.as_bytes() == b"1")
        }
    }

    #[get("/hello")]