Function rustc_attr::builtin::find_stability_generic

fn find_stability_generic<'a, I>(
    sess: &Session,
    attrs_iter: I,
    item_sp: Span
) -> (Option<(Stability, Span)>, Option<(ConstStability, Span)>, Option<(DefaultBodyStability, Span)>)where
    I: Iterator<Item = &'a Attribute>,