Function case

src/tests/clear.rs:21–27

(mut flags: T)

#[track_caller]
fn case<T: Flags + std::fmt::Debug>(mut flags: T)
where
    T: std::fmt::Debug + PartialEq + Copy,
{
    flags.clear();
    assert_eq!(flags, T::empty(), "{:?}.clear()", flags);
}